The wify's MX-3. . .

[wheelhop]

Don't bother upgrading fuel rail and lines. Plenty of flow there. Definately, you need a fuel pump upgrade. I ran it with the stock pump and at 3psi with the FMU turned all the way up, it still was running WAY too lean. I suggest going my rout with the BEGi 2025 FMU and a walbro 255hp fuel pump. You will need about 10-12:1 fuel pressure to boost pressure up top for the stock injectors to suffice. The walbro intank pumps have a bleeder valve built in that limits their pressure to 85-90 psi. But thats enough for the stcok injectors at 6 psi running my current setup with it's particular flow characteristics. You can close off the bleed valve in the wally easily though.

You will need a relatively high onset (when you cross over from vacuum to boost) fuel pressure. The BEGi handles that perfectly, and it's adjustable. The walbro will overrun the stock fuel pressure regulator. But that is fine, with the onset turned up to smooth out the fuel pressure rise curve, it will simply be like running larger than stock injectors and then upping the fuel pressure when in boost as needed. At this point you would tighten down the stock vane air meter 10-15 clicks to compensate for the higher flow at light throttle and cruise and idle.

If you want to run 7-8 psi, I recommend closing off the wally bleed off valve, or run miata 225cc injectors. But the stock ecu is amazing at tuning itself. Tightening the vane meter is all you need to go much higher in flow. So no problem running those bigger injectors if needed.

The stock PCV valve has handled 6psi fine for me. . . so far. I recommend a Stock 1g dsm bypass valve. They are bullet proof and can be had for $30-50 in good shape. They can be modified to handle +35psi of boost . . . I know from personal experience on one of my old DSM setups.

You have mentioned nothing about timing control. You cannot run stock timing maps and expect to keep a whole motor at anything close to 8psi.

[wheelhop]

Concerning the nature of the Mazda ecu:

When you start cold, the o2 naturally won't cycle. When warm, you see the cycling as the ecu is searching for stoich. When you stop the engine and restart the ecu goes back into open loop regardless of being warm or cold. And it does it for a period of 2-ish minutes. So it wont be as responsive until that time has passed. Not noticeable running weak sauce stock naturally aspirated; but when you have some real airflow and the ecu is matching that with injector control, you have some quirky adjustments it makes after being first started or restarted.

Also, my o2 sensor seams not to want to warm up soon enough for how far the computer needs to readjust for the fuel flow. This could simply mean that I need to go in and turn down the vane air meter a few more clicks tighter. So sometimes it will throw CEL a minute or two after start/restart and then it will go away within a minute or two after that. I don't bother tuning any more because i really like where the curves are sitting right now. And that little quirk isn't worth possibly losing the great tune it has when the ecu catches up and has full control over everything.

I just stay aware of these events by running one of those "light show" a/f ratio monitor gauges; one that just bounces from lean to rich with your narrow band OEM o2 sensor. I just don't play with her until I see the ecu go into it's first closed loop session (O2 cycles). And having the sensor is a great way for my wife to keep getting as good a gas mileage as she wants to get: when it's cycling, it's at peak fuel efficiency.

[crazycanadian]

Concerning the nature of the Mazda ecu:

When you start cold, the o2 naturally won't cycle. When warm, you see the cycling as the ecu is searching for stoich. When you stop the engine and restart the ecu goes back into open loop regardless of being warm or cold. And it does it for a period of 2-ish minutes. So it wont be as responsive until that time has passed. Not noticeable running weak sauce stock naturally aspirated; but when you have some real airflow and the ecu is matching that with injector control, you have some quirky adjustments it makes after being first started or restarted.

Also, my o2 sensor seams not to want to warm up soon enough for how far the computer needs to readjust for the fuel flow. This could simply mean that I need to go in and turn down the vane air meter a few more clicks tighter. So sometimes it will throw CEL a minute or two after start/restart and then it will go away within a minute or two after that. I don't bother tuning any more because i really like where the curves are sitting right now. And that little quirk isn't worth possibly losing the great tune it has when the ecu catches up and has full control over everything.

I just stay aware of these events by running one of those "light show" a/f ratio monitor gauges; one that just bounces from lean to rich with your narrow band OEM o2 sensor. I just don't play with her until I see the ecu go into it's first closed loop session (O2 cycles). And having the sensor is a great way for my wife to keep getting as good a gas mileage as she wants to get: when it's cycling, it's at peak fuel efficiency.

Some of your O2 theory sounds a bit odd and maybe a little miss interpreted...

Narrow band O2 sensors have no clue what stoich is. They don't work like that.. they can tell a computer either rich, or lean but there is no value on where stoich is, how rich it is or how lean it is... Narrow band O2 sensors are also supposed to bounce back and forth during closed loop operations, This is normal for all makes of cars, not just mazda... The pcm is commanding the O2 sensor to do this by constantly trimming the fuel map rich/lean in order to keep the catalytic converter up to proper temps and working at peek efficiency..

During the warm up period the ECU is running in open loop mode.. This is where the ecu is running off preset fueling/timing maps and not making any corrections to the maps based off O2 input... Since you've adjusted your VAF, you have skewed this map/operation... I don't know which way you adjusted the VAF, but you have either leaned it out, or made it more rich... Either way the motor wont be as happy now during open loop operations..

It also skews your fueling maps during closed loop driving as well.. The ECU during closed loop operations though now has the ability to make some corrections though to compensate for you adjusting your VAF... This is why the car feels better once warmed up...

Watching the A/F gauge wont tell you if you are getting the best fuel mileage.. It just tells you the computer is in closed loop and happy... Watching your boost/vacuum gauge and keep it running in as much vacuum as possible will get your the best fuel mileage

[wheelhop]

"Narrow band O2 sensors have no clue what stoich is"???? They bounce back and forth (because of the ecu) around stoich, which is 14.7:1 and that corresponds to around 0.45V. The ecu switchs right at the narrowband's stoich a/f ratio reading searching for the "happy" ratio.

Better fuel economy ***for the given rpm/speed and weight*** is had when the air and fuel mix is stoichiometric, or stoich. Click here. "Stoichiometric or Theoretical Combustion is the ideal combustion process where fuel is burned completely."

1) More fuel than stoichiometric and it is not completely burned; lower gas mileage. More gas is used than neccesary to propel the vehicle.
2) Less fuel than stoichiometric and you need to add air and the ecu bumps up fuel flow to compensate for the higher airflow and gas mileage goes down. Though the ratio is leaner, there is more throttle needed (more airflow), and thus, even at the the leaner a/f ratio, more gas is burned than neccesary because more air/fuel mix is needed to propel the car (why a diesel pulls harder with more fuel added as they have no throttle plate).

If I am not seeing the ecu searching for stoich with the narrowband and it is either sitting high or sitting low, yes absolutely I know my fuel mileage is suffering. The narrow band is exactly what the ecu uses to "be happy" and find the best fuel economy for the vacuum reading at that moment, or airflow used at that moment. Cold o2 sensors read .45V at higher than 14.7:1 air to fuel; the reason for heated o2 sensors and one major reason why most ecus are programmed not to go into closed loop until after warm up. Hence, my comments on starting and restarting and the cold nature of my particular sensor. You use this information while running in the highest gear and lowest rpms possible for the crusing speed your surroundings dictate, and you will get better gas mileage than if the o2 sensor is sitting constantly over .45V (open loop maps) or under .45V.

You can't possibly be posting on here just to say that your mileage will not be better running at the lowest vacuum but with the o2 sensor pegged at .9V or even the other way. So am I to assume you were simply saying, "He, get in the highest gear as soon as you can, and then keep your foot off the air pedal." I thought it was obvious and redundant to state that you need to be running as little airflow as possible to get good mileage. That's why I didn't. Thanks for the info on the basic operation of a fuel injection system, though. I'm sure there are many reading this that don't know just as I didn't in the past.





And with regard to the "motor being happy" in open loop now. The ecu disregards the o2 sensor reading as you mentioned when in open loop. The motor is not the same any more. Different airflow, VE, effective compression ratio, and most importantly burn rate for a given a/f ratio. I retuned for this different burn rate for a given a/f ratio (albiet rudimentarily) by altering the ignition point, the timing curve. Ideal would be to put it on a dyno. But ideal is not even what the factory programs the ecu with for stock.

[crazycanadian]

I am not sure if you are trying to tell me that I am wrong or not... But Narrow band O2 sensors do not know where exactly stoich is.. You can not put a voltage value on it... 200mv does not = 16:1 A/F... 900mv does not = 12:1 A/F ratio... That is not how a narrow band works... 0.45V Does not = 14.7:1 A/F...

Cold O2 sensors do not always read 0.45V...

Driving around at 14.7:1 does not give you the best fuel economy... Stoich is used for emissions purposes, not fuel economy...

[Killerbee_313]

Damn o2 sensors... some are narrow minded, some are open minded, some know where stoich is, other dont know what stoich is...Can't all the o2 sensors just get along!??

And just a little chime in on the Narrow band O2 sensor thing.
On my motorcycle, with a turbo setup, I couldn't get the proper fuel to air ratio using a narrow band O2 sensor and Fuel Management Unit because they weren't specific enough to read where REAL Stoich was. I have to have a Wide Band O2 sensor with a turbo setup so I can read what the ACTUAL fuel/air ratio is because the narrow band O2 gave VERY limited info and was always hopping around in readings.

Thats just my personal understanding and experience with O2 sensors.

Oh ya, and one more thing, my A/F gauge when using the Narrow Band sensor was just about pointless, It was always alll over the place, the Wide Band sensor provides a much different outcome. Wide Band = Happiness! haha

My personal Stoich ratio is 3 Blondes to One of me!! They Love my Fuel delivery and Large injector. just sayin. haha Laugh a little people!!!!

[Killerbee_313]

WHEELHOP.... What did you use for the FMU. (Links would be greatly appreciated!)

Thanks for all the GREAT info everyone!

[Killerbee_313]

That last post may not have been very clear, it appears that u used the Rising Rate Fuel Pressure Regulator, but did you use an electronic FMU of any sorts in addition to that?

[wheelhop]

Absolutely Killerbee, the narrow band is only for reading if you're richer than 14.7 or leaner. Even if you ran a wide band and saw where the narrow band voltage settled at a particular a/f ratio, when you up the boost, that voltage would no longer mean you're at that a/f ratio because of the change in temperature in the exhaust.

I use the BEGi 2025 FMU and a wall 255hp. And because the pump overruns the stock regulator (which is before the FMU in the fuel stream), I set the VAM tight enough for the ecu to still adjust enough to get to closed loop. I have a hobbs switch and a relay in the o2 circuit. When 1psi is seen, the relay opens and the ecu cannot see the o2 sensor to find stoich and bumps it into open loop. With the spool speed, I was having a problem of seeing 4-5 while the ecu is still in closed loop, looking for stoich, which is 14,7:1.

Below is a repost of a previous pic. The 2025 is on the passenger side strut tower:

I am not sure if you are trying to tell me that I am wrong or not... But Narrow band O2 sensors do not know where exactly stoich is.. You can not put a voltage value on it... 200mv does not = 16:1 A/F... 900mv does not = 12:1 A/F ratio... That is not how a narrow band works... 0.45V Does not = 14.7:1 A/F...

Cold O2 sensors do not always read 0.45V...

Driving around at 14.7:1 does not give you the best fuel economy... Stoich is used for emissions purposes, not fuel economy...

1) Stoich = 14.7:1. No one posted that they are trying to find any A/F ratio other than stoich. In fact, I even said that my gauge only reads lean/stoich/rich. It appears you are trying to hang around my neck using the narrowband to tune or to read any open loop condition.

2) how does a narrow band oxygen sensor work? Zirconia sensors most certainly output around .45V at 14.7 a/f ratio. This is why the computer is programmed to enrichen when the 02 sensor reports a voltage lower than that and lean out when it is over. As I said above, no one posted that they are trying to find any A/F ratio other than stoich; and for what I'm discussing, the accuracy of the narrow band is completely viable to gauge the conclusions drawn. I'm talking about the nature of the ecu and going off of the o2 sensor outputs to see what the ecu is doing. I'm not even talking about o2 sensor "theory" or how they work.

3) I just said that my cold o2 sensor reads improperly when cold. I never said it read .45V at all. Why are you typing statements I already said but in other words?

I never mentioned any "theory" of how any sensor worked. I mentioned imperical information on what the sensor is actually doing and when the ecu settles down to doing normal transitions from closed to open loop. . . You appear to be hell bent on correcting something. So here's a bone. I concede concerning what i said about peak fuel efficiency. It would be better to say,keeping the o2 cycling and OF COURSE in highest vacuum is the best fuel efficiency that my ecu will allow since that what it wants to see at closed loop. . . The reason for mentioning fuel economy is keeping to o2 sensor cycling because you have the fancy light show gauge is better than bumping out of closed loop frequently and not knowing it, running at the rich value I have things set at in open loop. This setup comes out of closed loop very easily: fast spool, lots of airflow early, and I have the o2 sensor circuit open when anything past 1 psi is seen. This setup begins building boost at 2200-2300 rpms if you want it too with a "blip" of the throttle.


Can we get back to meat?




My fuel economy has been consistantly 32mpg from tank fill to tank fill, mixed driving. The ecu can apparently correct up to 240cc injector flow at 43.5psi. This is proven by the ecu able to remain in closed loop for a long period of time cruising when the fuel pressure is as high as 70psi all of that time.

New fuel flow = old fuel flow X (new fuel pressure / old fuel pressure)^.5

240cc = 190cc X (70psi/43.5psi)^.5

This is good news to those that don't want to run such high fuel pressures to achieve the fuel flow they want. The stock VAM and the stock ecu has plenty of adjustent within to run 25% larger injectors. More flow than the stock 1.8L miata injectors. So if you run a decent flowing pump that wont overrun your stock FPR, then that means you will need not have to budget for aftermarket fuel control with injectors that flow enough for 150ish crank horsepower, 70% over stock

[crazycanadian]

Lets back this up a little bit... A lot of little things that you have suggested, said and done don't add up, sound miss informed or add extra complexities that I don't believe to be necessary... You've made your system work for you and I think thats great.. Your comments show you've done a lot of internet reading, but you haven't had the equipment or opportunities to truly see how things are working/being affected...

Concerning the nature of the Mazda ecu:

When you start cold, the o2 naturally won't cycle. When warm, you see the cycling as the ecu is searching for stoich. When you stop the engine and restart the ecu goes back into open loop regardless of being warm or cold. And it does it for a period of 2-ish minutes. So it wont be as responsive until that time has passed. Not noticeable running weak sauce stock naturally aspirated; but when you have some real airflow and the ecu is matching that with injector control, you have some quirky adjustments it makes after being first started or restarted.

This is where things really start sounding miss informed... Especially your comment "When warm, you see the cycling as the ecu is searching for stoich."... This comment in its self is wrong... The O2 sensor does not cycle because the ecu is searching for stoich... The O2 sensor cycles because it is responding to the ECU shifting fuel trims rich/lean so that the catalytic converter has what it needs to operate at peek efficiency.. The ECU is programed to do this during closed loop operation..

Vantage picture 2 is what an O2 sensor signal looks like during closed loop operation... The cycling part happens to be biased lean, and when it flat lines.. it is where I was having a lean tip in problem.. If the car was running properly the cycling part would have been between 900 - 100mv, not the 500ish - 100mv that is shown...

And with regard to the "motor being happy" in open loop now. The ecu disregards the o2 sensor reading as you mentioned when in open loop. The motor is not the same any more. Different airflow, VE, effective compression ratio, and most importantly burn rate for a given a/f ratio. I retuned for this different burn rate for a given a/f ratio (albiet rudimentarily) by altering the ignition point, the timing curve. Ideal would be to put it on a dyno. But ideal is not even what the factory programs the ecu with for stock

Yes you have changed the VE of the motor.. But since its still a stock motor with just a turbo charger added, you've only changed it when under boost or heavier loads... light load/idle conditions where the manifold is under vacuum air flow threw the motor and fueling demands are the same as it would have been stock...

Also like to add, that the stock VAM clicked down about 15 clicks tighter is plenty to control the fuel injector sitting at 60psi base fuel pressure. The Walbro 255hp fuel pump I installed overruns the stock FPR terribly. But with the BEGi FMU, i can set the onset pressure to a point where the fuel pressure curve remains smooth as it rises; otherwise, overrun at idle, until close to 0 boost, then drop to stock fpr and then jumping up to whatever you set the FMU to.

You have bumped up base fuel pressure to get more fuel... But you have tightened down the VAF... You've basically been cancelling each other out... You're adding fuel with more fuel pressure, but tell the computer that the motor is taking in less air, causing the ECU to narrow the pulse width... Thus squirt less fuel into the cylinder... This is going to be causing some of your open loop/cold quirkiness that you are talking about... During open loop warm up, the ECU is ignoring the O2 sensor, its fueling the motor based strictly off the VAF, CTS, IAT and its pre programed fueling maps.... Once the ECU goes into closed loop, it starts reading the O2 sensor.. From there the ECU makes corrections to its fueling tables.. The ECU basically corrects what you have done once in closed loop...

My fuel economy has been consistantly 32mpg from tank fill to tank fill, mixed driving. The ecu can apparently correct up to 240cc injector flow at 43.5psi. This is proven by the ecu able to remain in closed loop for a long period of time cruising when the fuel pressure is as high as 70psi all of that time.

This is incorrect... Because you have tightened down the VAF, you are telling the computer that its taking in less air then it actually is, thus the ECU is commanding a smaller pulse width then it normally would...But you have bumped fuel pressure, basically cancelling out what you have done with the VAF... A stock ECU can not correct for a larger ecu as well as you are trying to state...

[wheelhop]

--"This is where things really start sounding miss informed... Especially your comment "When warm, you see the cycling as the ecu is searching for stoich."... This comment in its self is wrong... The O2 sensor does not cycle because the ecu is searching for stoich... The O2 sensor cycles because it is responding to the ECU shifting fuel trims rich/lean so that the catalytic converter has what it needs to operate at peek efficiency.. The ECU is programed to do this during closed loop operation.. "

At what a/f ratio does the cat perform at peak efficiency?

--"Yes you have changed the VE of the motor.. But since its still a stock motor with just a turbo charger added, you've only changed it when under boost or heavier loads... light load/idle conditions where the manifold is under vacuum air flow threw the motor and fueling demands are the same as it would have been stock... "

You were talking about the motor not being as happy in open loop now. My response you are now critiquing was to that.

--"You have bumped up base fuel pressure to get more fuel... But you have tightened down the VAF... You've basically been cancelling each other out... You're adding fuel with more fuel pressure, but tell the computer that the motor is taking in less air, causing the ECU to narrow the pulse width... Thus squirt less fuel into the cylinder... This is going to be causing some of your open loop/cold quirkiness that you are talking about... During open loop warm up, the ECU is ignoring the O2 sensor, its fueling the motor based strictly off the VAF, CTS, IAT and its pre programed fueling maps.... Once the ECU goes into closed loop, it starts reading the O2 sensor.. From there the ECU makes corrections to its fueling tables.. The ECU basically corrects what you have done once in closed loop..."

It does not correct much at all because as you said i bumped up fuel pressure and tightened down the vam. The ecu is fooled. My ecu would do what I said was odd, stay in closed loop even at WOT after a warm start (even if only shut down for less than a minute), before I installed anything at all. That was what I was saying seemed to be odd behavior.

--"This is incorrect... Because you have tightened down the VAF, you are telling the computer that its taking in less air then it actually is, thus the ECU is commanding a smaller pulse width then it normally would...But you have bumped fuel pressure, basically cancelling out what you have done with the VAF... A stock ECU can not correct for a larger ecu as well as you are trying to state..."

I qualified the comment that the ecu has the ability to adjust enough along with the VAM's range of adjustment just below with this statement:
"This is good news to those that don't want to run such high fuel pressures to achieve the fuel flow they want. The stock VAM and the stock ecu has plenty of adjustent within to run 25% larger injectors. More flow than the stock 1.8L miata injectors. So if you run a decent flowing pump that wont overrun your stock FPR, then that means you will need not have to budget for aftermarket fuel control with injectors that flow enough for 150ish crank horsepower, 70% over stock ."
Again, you're restating what I already said, just in different words.

Oh and I actually AM using the proper equipment to see what's really happening. I beg you, please completely read and reread what I post before commenting in here anymore.



Anyway, I bumped timing up a little bit. The BTM was set for 1.5deg retard per psi starting at zero boost. I turned it down to 1.25deg per psi. It has more tip in power and it i noticed a difference up top as well. With the bost I am running it was pulling 10.5 degrees at full boost. Now only 8.75 degrees. I have set base to 14 deg instead of the stock 10 deg, which puts overall retard at 4.75 degrees at full boost. A nice bump up in timing, but I still consider very safe for about 7psi.

[wheelhop]

Well, I have had a few days to log and change and log (with equipment supposedly I do not have ).

One thing I did was get a good run with the car back when it had just the long tube cold air intake, aem filter element, 14 degrees advance (vs. stock 10 degrees), flowthrough muffler. . . OK. . . I've been around dynos enough to know that dyno and accuracy does not belong in the same sentence. But, they ARE precise **as long as the variables (and/or the operator) is the same**. Precision is for tuning, accuracy is for saps that are affeared of the 1320. The Logworks software is known to be rather precise. The runs here are all 4th gear, which is 0.918:1; better than 1.29:1 for 3rd; and why I chickened out at about 6K every time on public roads. Top with the mods mentioned in the first sentence of this paragraph, bottom after the turbo install, at 5-6 psi as rich as I can run it with the stock injectors and the FMU.



Notice how low the horsepower and torque is for the naturally aspirated point of this set up. Considering the modifications at that point, that is extremely conservative. Stock crank power is 88hp and after the naturally aspirated mods, the program is outputting 23hp less for wheel horsepower. That would be a 26% drivetrain loss, **if I were running completely stock at that point**. Needless to say, a conservative graph. But I don’t care about that. I care about precision, and the difference in the graphs. And the difference is very apparent .

Note the shape of the % Injector Duty Cycle then see the next post with info on the results from removal of the cat.

Here's the raw data for the first.

Code: Select all

Session: Session 2,,,,,
time,SSI4_1,SSI4_2,SSI4_4,torque,power
(sec),(RPM),(%),(Volt),(lbft),(hp)
0,2203,0,0,20.7,8.6
0.08192,2217,0,0,18.4,7.7
0.16384,2231,0,0,30,12.7
0.24576,2244,0,0,38.6,16.5
0.32768,2272,0,0,48.5,21
0.4096,2292,0,0,56.2,24.4
0.49152,2326,0,0,62.1,27.5
0.57344,2354,0,0,65.7,29.4
0.65536,2381,0,0,67.8,30.7
0.73728,2402,0,0,68.7,31.4
0.8192,2422,0,0,69,31.8
0.90112,2443,0,0,68.8,32
0.98304,2463,0,0,68.2,32
1.06496,2484,0,0,66.6,31.5
1.14688,2504,0,0,65,31
1.2288,2525,0,0,64.3,30.9
1.31072,2539,0,0,64.3,31.1
1.39264,2552,0,0,64.2,31.2
1.47456,2580,0,0,63.8,31.3
1.55648,2600,0,0,63.3,31.3
1.6384,2621,0,0,63.7,31.7
1.72032,2634,0,0,64.6,32.4
1.80224,2655,0,0,65.8,33.3
1.88416,2675,0,0,66.7,33.9
1.96608,2703,0,0,67.2,34.6
2.048,2723,0,0,67.5,35.1
2.12992,2744,0,0,67.6,35.4
2.21184,2764,0,0,67.6,35.6
2.29376,2785,0,0,67.6,35.8
2.37568,2805,0,0,67.2,35.8
2.4576,2826,0,0,66.3,35.6
2.53952,2847,0,0,65.4,35.5
2.62144,2867,0,0,65.4,35.7
2.70336,2881,0,0,66.1,36.3
2.78528,2901,0,0,67.1,37
2.8672,2922,0,0,67.4,37.5
2.94912,2949,0,0,67.4,37.8
3.03104,2970,0,0,67.6,38.3
3.11296,2990,0,0,68.4,38.9
3.19488,3004,0,0,69.6,39.8
3.2768,3031,0,0,70.7,40.7
3.35872,3052,0,0,71.1,41.2
3.44064,3079,0,0,70.7,41.5
3.52256,3100,0,0,69.4,40.9
3.60448,3120,0,0,67.2,39.9
3.6864,3141,0,0,65.7,39.3
3.76832,3154,0,0,65.3,39.1
3.85024,3168,0,0,65.8,39.7
3.93216,3189,0,0,66.7,40.5
4.01408,3209,0,0,67.5,41.2
4.096,3237,0,0,68.2,42
4.17792,3257,0,0,68.6,42.5
4.25984,3278,0,0,68.7,42.9
4.34176,3298,0,0,68.8,43.2
4.42368,3319,0,0,69,43.6
4.5056,3339,0,0,69,43.8
4.58752,3360,0,0,69,44.1
4.66944,3380,0,0,69,44.3
4.75136,3401,0,0,69,44.7
4.83328,3421,0,0,69,44.9
4.9152,3442,0,0,69,45.2
4.99712,3462,0,0,69.1,45.6
5.07904,3483,0,0,69.5,46
5.16096,3503,0,0,70.3,46.9
5.24288,3524,0,0,71.2,47.8
5.3248,3544,0,0,71.7,48.3
5.40672,3572,0,0,71.9,48.9
5.48864,3592,0,0,71.7,49.1
5.57056,3613,0,0,71.6,49.2
5.65248,3633,0,0,71.3,49.3
5.7344,3654,0,0,70.9,49.4
5.81632,3674,0,0,70.4,49.2
5.89824,3695,0,0,69.4,48.8
5.98016,3716,0,0,68.4,48.4
6.06208,3736,0,0,68.3,48.7
6.144,3750,0,0,69.4,49.5
6.22592,3770,0,0,70.7,50.8
6.30784,3791,0,0,71.1,51.3
6.38976,3818,0,0,70.3,51.1
6.47168,3846,0,0,69.4,50.8
6.5536,3859,0,0,68.7,50.5
6.63552,3873,0,0,68.4,50.4
6.71744,3893,0,0,68.4,50.8
6.79936,3914,0,0,68.7,51.2
6.88128,3935,0,0,69.4,52
6.9632,3955,0,0,70.6,53.2
7.04512,3976,0,0,71.7,54.3
7.12704,3996,0,0,72,54.8
7.20896,4023,0,0,71.5,54.8
7.29088,4044,0,0,70.4,54.2
7.3728,4065,0,0,69.1,53.5
7.45472,4078,0,0,68,52.9
7.53664,4099,0,0,67.6,52.7
7.61856,4112,0,0,67.6,53
7.70048,4133,0,0,67.9,53.4
7.7824,4153,0,0,68.4,54.1
7.86432,4174,0,0,69,54.8
7.94624,4195,0,0,69.5,55.5
8.02816,4215,0,0,70,56.2
8.11008,4236,0,0,70.2,56.5
8.192,4256,0,0,70,56.7
8.27392,4277,0,0,70.3,57.3
8.35584,4297,0,0,71.1,58.2
8.43776,4311,0,0,71.6,58.7
8.51968,4338,0,0,72,59.5
8.6016,4359,0,0,72.3,60
8.68352,4379,0,0,72.4,60.4
8.76544,4400,0,0,72.3,60.5
8.84736,4420,0,0,71.9,60.5
8.92928,4441,0,0,72,60.8
9.0112,4461,0,0,72.4,61.5
9.09312,4475,0,0,72.4,61.7
9.17504,4502,0,0,71.9,61.6
9.25696,4523,0,0,70.8,61
9.33888,4543,0,0,69.6,60.3
9.4208,4557,0,0,68.8,59.7
9.50272,4578,0,0,68.6,59.8
9.58464,4591,0,0,68.8,60.2
9.66656,4612,0,0,69.4,60.9
9.74848,4632,0,0,70,61.7
9.8304,4653,0,0,70.7,62.6
9.91232,4674,0,0,70.9,63.1
9.99424,4694,0,0,70.7,63.1
10.07616,4715,0,0,70.3,63.1
10.15808,4735,0,0,70.3,63.4
10.24,4749,0,0,70.6,63.8
10.32192,4769,0,0,70.9,64.5
10.40384,4790,0,0,71.1,64.9
10.48576,4810,0,0,70.8,64.9
10.56768,4831,0,0,70.6,64.9
10.6496,4851,0,0,70.6,65.1
10.73152,4865,0,0,70.4,65.2
10.81344,4886,0,0,70,65.2
10.89536,4906,0,0,69.5,64.9
10.97728,4927,0,0,68.7,64.5
11.0592,4940,0,0,67.9,63.9
11.14112,4961,0,0,67,63.3
11.22304,4975,0,0,65.5,62
11.30496,4995,0,0,63.8,60.7
11.38688,5009,0,0,62.2,59.4
11.4688,5022,0,0,61,58.4
11.55072,5036,0,0,60.5,58.1
11.63264,5050,0,0,60.6,58.3
11.71456,5064,0,0,61,58.8
11.79648,5084,0,0,61.6,59.7
11.8784,5098,0,0,62.5,60.7
11.96032,5118,0,0,63.7,62
12.04224,5132,0,0,64.2,62.7
12.12416,5152,0,0,64.2,63
12.20608,5173,0,0,64.3,63.4
12.288,5187,0,0,64.1,63.3
12.36992,5200,0,0,63.3,62.7
12.45184,5221,0,0,62.8,62.4
12.53376,5235,0,0,62.5,62.3
12.61568,5248,0,0,62.2,62.1
12.6976,5262,0,0,61.7,61.8
12.77952,5283,0,0,61.3,61.7
12.86144,5296,0,0,61.7,62.3
12.94336,5310,0,0,62.2,62.9
13.02528,5324,0,0,61.6,62.4
13.1072,5344,0,0,60.1,61.2
13.18912,5365,0,0,59.2,60.5
13.27104,5371,0,0,59.1,60.5
13.35296,5378,0,0,59.5,60.9
13.43488,5399,0,0,60,61.7
13.5168,5413,0,0,60.1,61.9
13.59872,5433,0,0,60.2,62.4
13.68064,5447,0,0,60.8,63
13.76256,5460,0,0,61.2,63.6
13.84448,5474,0,0,60.8,63.3
13.9264,5495,0,0,59.6,62.4
14.00832,5508,0,0,58.3,61.2
14.09024,5522,0,0,57.3,60.3
14.17216,5529,0,0,56.7,59.6
14.25408,5543,0,0,56.3,59.4
14.336,5556,0,0,56.2,59.5
14.41792,5570,0,0,56.2,59.6
14.49984,5584,0,0,56.3,59.8
14.58176,5597,0,0,56.4,60.2
14.66368,5611,0,0,56.5,60.4
14.7456,5625,0,0,56.7,60.7
14.82752,5638,0,0,56.8,61
14.90944,5652,0,0,56.9,61.3
14.99136,5666,0,0,56.7,61.2
15.07328,5679,0,0,55.9,60.5
15.1552,5693,0,0,55.2,59.9
15.23712,5707,0,0,55,59.7
15.31904,5714,0,0,55,59.7
15.40096,5727,0,0,55.1,60
15.48288,5741,0,0,55.1,60.3
15.5648,5755,0,0,54.7,59.9
15.64672,5768,0,0,54.3,59.6
15.72864,5782,0,0,54.2,59.7
15.81056,5789,0,0,54.4,60
15.89248,5803,0,0,54.8,60.6
15.9744,5816,0,0,55,60.9
16.05632,5830,0,0,54.7,60.7
16.13824,5844,0,0,53.9,60
16.22016,5857,0,0,52.7,58.8
16.30208,5864,0,0,51,56.9
16.384,5878,0,0,49.4,55.3
16.46592,5885,0,0,48.6,54.5
16.54784,5891,0,0,48.8,54.7
16.62976,5898,0,0,49.3,55.4
16.71168,5912,0,0,49.5,55.8
16.7936,5926,0,0,49.7,56.2
16.87552,5939,0,0,49.4,55.8
16.95744,5946,0,0,48.4,54.8
17.03936,5960,0,0,47.4,53.9
17.12128,5967,0,0,46.9,53.2
17.2032,5974,0,0,46.6,53.1
17.28512,5980,0,0,47,53.5
17.36704,5994,0,0,48.1,54.8
17.44896,6001,0,0,49.1,56.2
17.53088,6015,0,0,49.4,56.6
17.6128,6028,0,0,49,56.3
17.69472,6042,0,0,48.2,55.6
17.77664,6049,0,0,47.8,55.1
17.85856,6056,0,0,47.6,54.8
17.94048,6063,0,0,47.6,55
18.0224,6076,0,0,47.7,55.2
18.10432,6083,0,0,47.8,55.5
18.18624,6097,0,0,47.7,55.4
18.26816,6104,0,0,47.2,54.7
18.35008,6117,0,0,46.5,54.2
18.432,6124,0,0,46.2,54
18.51392,6131,0,0,46,53.6
18.59584,6138,0,0,45.4,53.1
18.67776,6152,0,0,44.9,52.6
18.75968,6158,0,0,45.1,52.9
18.8416,6165,0,0,45.3,53.2
18.92352,6172,0,0,45.8,54
19.00544,6186,0,0,46.4,54.6
19.08736,6193,0,0,47.2,55.6
19.16928,6206,0,0,47.2,55.7
19.2512,6213,0,0,47.2,55.7
19.33312,6227,0,0,46.1,54.7
19.41504,6234,0,0,46.6,55.4
19.49696,6240,0,0,41.8,49.7
19.57888,6247,0,0,42.7,50.8
19.6608,6261,0,0,51.5,61.4

And the raw for the second:

Code: Select all

Session: Session 2,,,,,,
time,RPM_CH1,IDC_CH2,O2_CH3,VAM_CH4,torque,power
(sec),(RPM),(%),(Volt),(Volt),(lbft),(hp)
0,2101,12.7,0.445,1.061,0,0
0.08192,2108,13.8,0.459,1.085,0,0
0.16384,2114,15,0.469,1.105,0,0
0.24576,2128,15,0.503,1.075,2.8,1.2
0.32768,2135,15.1,0.538,1.046,12,4.9
0.4096,2149,15.2,0.547,1.046,13.4,5.3
0.49152,2155,15.4,0.557,1.041,13.8,5.7
0.57344,2162,15.2,0.557,1.036,14.8,6.1
0.65536,2162,15,0.552,1.031,18.9,7.7
0.73728,2169,15.1,0.543,1.012,24,9.7
0.8192,2176,15.2,0.533,0.992,30,12.2
0.90112,2190,15.9,0.518,0.968,34.2,14.2
0.98304,2196,16.7,0.499,0.943,36.5,15
1.06496,2210,16.7,0.484,0.943,37.8,15.8
1.14688,2217,16.8,0.469,0.938,41.5,17.4
1.2288,2224,16.6,0.459,0.934,46.2,19.5
1.31072,2231,16.4,0.45,0.929,49.4,21.1
1.39264,2244,16.3,0.445,0.929,50.8,21.5
1.47456,2258,16.2,0.435,0.924,52.6,22.3
1.55648,2265,16,0.43,0.924,54,23.1
1.6384,2272,15.8,0.42,0.924,55.4,23.9
1.72032,2285,15.7,0.415,0.924,55.4,23.9
1.80224,2292,15.7,0.411,0.919,53.5,23.1
1.88416,2306,15.9,0.406,0.919,51.2,22.3
1.96608,2313,16.1,0.401,0.914,50.8,22.3
2.048,2320,16,0.396,0.909,51.2,22.3
2.12992,2326,16,0.391,0.904,52.2,23.1
2.21184,2340,16.4,0.386,0.904,54,23.9
2.29376,2347,16.9,0.381,0.904,55.8,24.7
2.37568,2361,17.6,0.381,0.899,57.2,25.5
2.4576,2368,18.3,0.376,0.894,59.1,26.3
2.53952,2381,18.5,0.376,0.894,61.8,28
2.62144,2388,18.8,0.376,0.89,67.4,30.8
2.70336,2402,19.3,0.376,0.89,75.2,34
2.78528,2409,19.8,0.371,0.885,80.8,36.9
2.8672,2429,20.2,0.371,0.88,81.7,37.7
2.94912,2443,20.7,0.371,0.875,78.5,36.5
3.03104,2457,21,0.376,0.875,73.8,34.5
3.11296,2463,21.3,0.376,0.87,71.5,33.2
3.19488,2470,21.8,0.386,0.87,72,33.6
3.2768,2477,22.3,0.396,0.865,73.4,34.5
3.35872,2491,21.9,0.425,0.865,74.3,35.3
3.44064,2504,21.6,0.455,0.86,75.7,36.1
3.52256,2518,21.4,0.479,0.86,76.6,36.9
3.60448,2525,21.2,0.503,0.855,75.7,36.5
3.6864,2539,20.9,0.503,0.855,74.8,36.1
3.76832,2552,20.7,0.499,0.85,77.1,37.3
3.85024,2559,20.5,0.489,0.85,81.7,39.7
3.93216,2566,20.4,0.474,0.846,85.4,41.7
4.01408,2587,20.1,0.455,0.846,86.3,42.6
4.096,2600,19.9,0.43,0.841,85.8,42.2
4.17792,2614,19.7,0.415,0.841,83.5,41.7
4.25984,2621,19.6,0.401,0.836,81.2,40.5
4.34176,2634,19.6,0.391,0.836,78.5,39.3
4.42368,2641,19.6,0.381,0.831,76.2,38.1
4.5056,2655,20.2,0.371,0.831,75.7,38.1
4.58752,2662,20.9,0.362,0.826,78.5,39.7
4.66944,2675,22.5,0.362,0.826,84,42.6
4.75136,2682,24.1,0.357,0.821,89.1,45.4
4.83328,2703,26.3,0.391,0.821,93.7,48.2
4.9152,2717,28.4,0.42,0.821,96,49.4
4.99712,2730,28.6,0.572,0.816,94.2,49
5.07904,2744,28.8,0.723,0.811,88.2,46.2
5.16096,2758,28.8,0.826,0.811,81.7,43
5.24288,2764,28.8,0.929,0.806,76.2,40.1
5.3248,2771,29,0.982,0.806,73.8,38.9
5.40672,2778,29.2,1.031,0.802,76.2,40.1
5.48864,2792,29.2,1.061,0.802,81.2,43
5.57056,2799,29.3,1.085,0.797,86.8,46.2
5.65248,2819,29.7,1.105,0.797,91.8,49
5.7344,2833,30.1,1.119,0.792,94.6,51.1
5.81632,2847,30.3,1.134,0.792,94.6,51.1
5.89824,2860,30.5,1.144,0.787,92.8,50.3
5.98016,2874,30.7,1.153,0.787,89.5,49
6.06208,2881,30.9,1.158,0.782,87.7,47.8
6.144,2894,28.1,1.168,0.782,87.7,48.2
6.22592,2901,25.2,1.173,0.777,89.5,49.4
6.30784,2915,25.4,1.178,0.777,91.8,51.1
6.38976,2929,25.6,1.178,0.772,95.1,52.7
6.47168,2942,28.6,1.183,0.772,97.8,54.7
6.5536,2956,31.7,1.183,0.767,100.6,56.3
6.63552,2970,31.9,1.183,0.762,102.5,58
6.71744,2983,32.2,1.183,0.758,102.9,58.4
6.79936,2997,32.5,1.183,0.758,101.5,57.6
6.88128,3011,32.7,1.183,0.753,99.2,56.7
6.9632,3024,33,1.183,0.753,98.3,56.7
7.04512,3031,33.3,1.183,0.748,97.4,56.3
7.12704,3045,33.6,1.188,0.748,95.1,55.1
7.20896,3059,33.9,1.188,0.743,93.7,54.3
7.29088,3072,33.9,1.193,0.743,93.7,54.7
7.3728,3079,33.9,1.197,0.743,93.2,54.7
7.45472,3093,31.1,1.197,0.738,91.8,53.9
7.53664,3107,28.3,1.197,0.733,90.9,53.9
7.61856,3120,31.7,1.197,0.733,91.8,54.3
7.70048,3127,35,1.193,0.728,93.7,55.5
7.7824,3141,35.1,1.197,0.728,96,57.1
7.86432,3154,35.3,1.2,0.723,96.9,58.4
7.94624,3168,35.3,1.2,0.723,96.5,58
8.02816,3182,35.4,1.2,0.718,95.5,57.6
8.11008,3196,35.5,1.2,0.718,95.5,58.4
8.192,3202,35.7,1.2,0.714,96.9,59.2
8.27392,3216,35.9,1.2,0.709,98.8,60.4
8.35584,3230,36.2,1.2,0.704,99.7,61.2
8.43776,3243,36.3,1.2,0.704,100.2,61.6
8.51968,3257,36.4,1.2,0.699,102,63.2
8.6016,3271,36.5,1.2,0.699,105.7,65.7
8.68352,3278,36.7,1.2,0.694,108.5,67.7
8.76544,3298,36.9,1.2,0.694,110.3,69.3
8.84736,3312,37.1,1.2,0.689,112.2,70.5
8.92928,3326,37.3,1.2,0.689,112.6,71.3
9.0112,3339,37.5,1.2,0.689,112.2,70.9
9.09312,3353,37.7,1.2,0.689,108.9,69.3
9.17504,3367,38,1.197,0.684,105.7,67.7
9.25696,3380,38.1,1.197,0.684,104.3,67.3
9.33888,3387,38.3,1.197,0.679,104.3,66.9
9.4208,3401,38.4,1.197,0.679,104.8,67.7
9.50272,3414,38.6,1.197,0.674,106.2,68.9
9.58464,3428,38.9,1.197,0.674,107.1,70.1
9.66656,3442,39.2,1.193,0.67,107.1,70.1
9.74848,3456,39.3,1.193,0.665,106.6,70.1
9.8304,3469,39.4,1.193,0.66,108,71.3
9.91232,3483,39.8,1.193,0.66,110.3,73.4
9.99424,3490,40.2,1.188,0.655,112.6,75
10.07616,3510,40.4,1.188,0.65,115.8,77.4
10.15808,3524,40.6,1.188,0.645,120,80.7
10.24,3538,40.7,1.188,0.645,124.2,83.5
10.32192,3551,40.9,1.188,0.64,124.6,84.3
10.40384,3572,41.1,1.188,0.64,121.8,82.7
10.48576,3586,41.3,1.183,0.635,117.7,80.7
10.56768,3599,41.4,1.183,0.63,116.8,79.8
10.6496,3606,41.6,1.178,0.626,118.6,81.1
10.73152,3620,41.7,1.178,0.626,120.9,83.5
10.81344,3633,41.9,1.178,0.626,122.8,84.7
10.89536,3654,42.1,1.178,0.621,123.2,85.9
10.97728,3668,42.4,1.178,0.616,123.2,85.9
11.0592,3681,42.6,1.173,0.616,124.2,87.1
11.14112,3695,42.9,1.168,0.611,126.9,89.2
11.22304,3709,43.1,1.168,0.606,129.7,91.2
11.30496,3722,43.3,1.168,0.601,130.6,92.4
11.38688,3743,43.6,1.168,0.601,130.2,92.8
11.4688,3757,43.9,1.163,0.596,129.2,92.4
11.55072,3770,44.1,1.163,0.596,129.2,92.8
11.63264,3784,44.4,1.163,0.591,132.5,95.2
11.71456,3798,44.7,1.163,0.591,137.5,99.7
11.79648,3811,45,1.158,0.587,141.2,102.5
11.8784,3832,45.1,1.158,0.587,142.2,103.8
11.96032,3852,45.3,1.158,0.582,141.2,103.8
12.04224,3866,45.5,1.158,0.582,140.8,103.4
12.12416,3880,45.7,1.153,0.577,142.6,105.4
12.20608,3893,45.9,1.153,0.572,146.3,108.2
12.288,3907,46.2,1.149,0.567,148.6,110.6
12.36992,3928,46.4,1.149,0.567,149.5,111.9
12.45184,3948,46.6,1.144,0.567,150.9,113.5
12.53376,3962,46.7,1.144,0.567,152.3,115.1
12.61568,3976,46.9,1.144,0.567,154.2,116.7
12.6976,3996,46,1.144,0.567,155.5,118.3
12.77952,4010,45.2,1.139,0.562,156.9,120
12.86144,4030,46.7,1.139,0.562,158.3,121.6
12.94336,4044,48.3,1.139,0.562,159.7,122.8
13.02528,4065,47,1.139,0.562,160.6,124
13.1072,4078,45.8,1.139,0.562,161.1,125.2
13.18912,4099,47.5,1.139,0.562,160.2,125.2
13.27104,4112,49.3,1.139,0.557,157.4,123.2
13.35296,4133,49.5,1.139,0.557,154.6,121.6
13.43488,4147,49.8,1.134,0.552,153.2,121.2
13.5168,4160,48.6,1.134,0.552,153.2,121.6
13.59872,4174,47.4,1.134,0.552,154.2,122.4
13.68064,4195,49.1,1.134,0.552,155.5,124.4
13.76256,4208,50.7,1.134,0.547,156.9,125.6
13.84448,4229,50.8,1.134,0.547,157.4,126.5
13.9264,4242,51,1.129,0.547,155.1,125.2
14.00832,4263,51.3,1.129,0.547,151.4,122.8
14.09024,4277,51.7,1.129,0.543,147.7,120
14.17216,4290,50.4,1.129,0.543,144.9,118.3
14.25408,4304,49.3,1.124,0.543,144.5,118.3
14.336,4318,49.5,1.124,0.543,145.8,120
14.41792,4331,49.7,1.124,0.543,148.2,122
14.49984,4352,49.9,1.124,0.543,149.5,124
14.58176,4366,50,1.124,0.543,149.1,123.6
14.66368,4386,50.3,1.124,0.543,146.8,122.4
14.7456,4400,50.7,1.119,0.543,144,120.8
14.82752,4413,50.9,1.119,0.543,142.6,119.6
14.90944,4427,51.1,1.119,0.538,142.6,120.4
14.99136,4441,51.3,1.119,0.538,143.5,121.2
15.07328,4455,51.5,1.119,0.538,143.1,121.2
15.1552,4475,51.7,1.119,0.538,143.1,122
15.23712,4489,51.9,1.119,0.538,144.5,123.6
15.31904,4502,53.7,1.119,0.538,145.4,124.8
15.40096,4516,55.4,1.119,0.538,145.4,124.8
15.48288,4537,55.6,1.119,0.538,145.4,125.2
15.5648,4550,55.8,1.119,0.538,146.8,126.9
15.64672,4564,55.9,1.119,0.538,150.5,130.9
15.72864,4578,56,1.114,0.533,158.3,137.8
15.81056,4598,53.9,1.114,0.533,166.6,145.9
15.89248,4612,51.8,1.114,0.533,169.4,148.7
15.9744,4639,57.2,1.114,0.533,164.3,145.1
16.05632,4660,62.7,1.109,0.533,152.8,135.4
16.13824,4674,60,1.109,0.533,139.4,124
16.22016,4680,57.5,1.109,0.528,126.9,113.1
16.30208,4687,54.7,1.109,0.533,116.8,104.2
16.384,4694,52.1,1.105,0.533,109.8,98.5
16.46592,4708,57.6,1.105,0.533,107.5,96.1
16.54784,4715,63,1.105,0.528,107.5,96.5
16.62976,4728,57.8,1.105,0.528,110.8,99.7
16.71168,4742,52.6,1.1,0.528,116.8,105.4
16.7936,4756,58.2,1.1,0.528,122.8,111.5
16.87552,4769,63.8,1.1,0.523,127.4,115.9
16.95744,4790,58.6,1.1,0.523,130.2,118.8
17.03936,4804,53.3,1.095,0.523,130.2,119.2
17.12128,4817,56.1,1.095,0.523,127.4,117.1
17.2032,4831,58.9,1.095,0.523,124.2,114.3
17.28512,4845,59,1.095,0.523,122.3,113.1
17.36704,4851,59.1,1.09,0.523,121.8,112.7
17.44896,4865,56.4,1.09,0.523,121.8,113.1
17.53088,4879,53.8,1.09,0.523,121.4,112.7
17.6128,4892,56.8,1.09,0.523,119.1,111.1
17.69472,4906,59.8,1.085,0.523,117.2,109.4
17.77664,4920,60,1.085,0.523,116.3,109
17.85856,4927,60.2,1.085,0.523,117.2,109.8
17.94048,4940,57.5,1.085,0.523,118.6,111.5
18.0224,4954,54.8,1.08,0.523,119.1,112.3
18.10432,4968,57.7,1.08,0.523,117.7,111.1
18.18624,4981,60.6,1.08,0.518,115.8,110.2
18.26816,4995,60.7,1.08,0.523,115.8,110.2
18.35008,5002,60.9,1.075,0.523,115.4,109.8
18.432,5016,59.1,1.075,0.523,113.5,108.6
18.51392,5029,57.4,1.075,0.518,111.2,106.2
18.59584,5043,59.3,1.075,0.518,108,103.8
18.67776,5050,61.4,1.07,0.518,106.6,102.1
18.75968,5064,61.4,1.07,0.518,107.1,102.9
18.8416,5070,61.4,1.07,0.518,107.5,104.2
18.92352,5084,61.4,1.07,0.518,107.5,103.8
19.00544,5098,61.5,1.065,0.518,106.2,102.9
19.08736,5111,61.5,1.065,0.518,104.3,101.7
19.16928,5118,61.6,1.065,0.518,103.4,100.9
19.2512,5132,61.7,1.065,0.518,103.4,101.3
19.33312,5139,61.9,1.061,0.518,101.5,99.3
19.41504,5152,61.9,1.061,0.518,98.3,96.9
19.49696,5166,61.9,1.061,0.518,97.4,96.1
19.57888,5173,61.9,1.061,0.518,98.8,97.3
19.6608,5180,62,1.056,0.518,101.1,99.7
19.74272,5194,60.3,1.056,0.518,102,100.9
19.82464,5207,58.7,1.056,0.518,102,100.9
19.90656,5221,58.7,1.056,0.518,101.1,100.5
19.98848,5228,58.7,1.056,0.518,100.2,99.7
20.0704,5241,60.5,1.056,0.518,97.4,97.3
20.15232,5248,62.5,1.051,0.518,92.8,92.8
20.23424,5262,62.6,1.051,0.518,88.6,88.8
20.31616,5269,62.7,1.046,0.518,87.7,87.9
20.39808,5276,62.8,1.046,0.518,90,90.4
20.48,5283,62.9,1.046,0.518,93.2,93.6
20.56192,5296,62.8,1.046,0.518,96,96.5
20.64384,5310,62.8,1.046,0.518,98.8,99.7
20.72576,5324,61,1.046,0.518,101.1,102.5
20.80768,5330,59.3,1.041,0.518,101.1,102.5
20.8896,5344,61.3,1.041,0.518,97.4,99.3
20.97152,5358,63.2,1.041,0.518,92.3,94.4
21.05344,5365,63.1,1.041,0.518,87.7,89.6
21.13536,5371,63.1,1.041,0.518,84.9,87.1
21.21728,5378,61.3,1.041,0.518,84,86.3
21.2992,5385,59.5,1.036,0.513,84.5,86.7
21.38112,5399,63.2,1.036,0.518,85.8,87.9
21.46304,5406,67.1,1.036,0.518,88.2,90.8
21.54496,5419,63.4,1.036,0.518,91.8,94.4
21.62688,5426,59.9,1.031,0.513,91.4,94.4
21.7088,5440,62,1.031,0.513,87.7,90.8
21.79072,5454,64,1.031,0.513,84,87.1
21.87264,5460,63.8,1.031,0.513,82.2,85.5
21.95456,5460,63.7,1.026,0.513,82.2,85.1
22.03648,5474,63.7,1.026,0.513,81.7,85.1
22.1184,5481,63.7,1.026,0.513,79.4,83.1
22.20032,5495,63.6,1.026,0.513,76.6,80.2
22.28224,5501,63.6,1.022,0.513,73.4,77
22.36416,5508,63.6,1.022,0.513,71.5,75
22.44608,5515,63.7,1.022,0.513,72,75.4
22.528,5522,61.9,1.022,0.513,73.8,77.8
22.60992,5529,60.1,1.022,0.513,76.6,80.7
22.69184,5543,62,1.022,0.513,78.5,82.7
22.77376,5549,63.8,1.017,0.513,78,82.3
22.85568,5563,62,1.017,0.513,76.2,80.7
22.9376,5570,60.2,1.017,0.513,73.4,78.2
23.01952,5577,61.8,1.017,0.513,72,76.6
23.10144,5584,63.4,1.012,0.513,72.5,77.4
23.18336,5590,63.3,1.012,0.513,74.8,79.4
23.26528,5597,63.3,1.012,0.513,77.5,82.7
23.3472,5611,61.5,1.012,0.513,79.4,84.7
23.42912,5618,59.6,1.012,0.513,78.9,84.7
23.51104,5631,63,1.012,0.513,77.1,82.7
23.59296,5638,66.6,1.007,0.513,74.8,80.2
23.67488,5645,64.8,1.007,0.513,72.9,78.6
23.7568,5652,63.1,1.007,0.513,73.4,79
23.83872,5659,61.4,1.007,0.513,74.3,79.8
23.92064,5666,59.6,1.007,0.513,73.4,79.4
24.00256,5679,59.6,1.007,0.513,72,78.2
24.08448,5686,59.6,1.002,0.513,70.2,76.2
24.1664,5693,63.2,1.002,0.513,69.7,75.4
24.24832,5700,67,1.002,0.513,70.6,77
24.33024,5707,66.9,1.002,0.513,72,78.6
24.41216,5714,66.8,0.997,0.513,72,78.6
24.49408,5727,63.2,0.997,0.513,71.1,77.8
24.576,5734,59.7,0.997,0.513,69.7,76.2
24.65792,5741,59.4,0.997,0.513,67.8,74.2
24.73984,5748,59.1,0.997,0.513,66,72.1
24.82176,5755,59.4,0.997,0.513,64.2,70.1
24.90368,5761,59.7,0.997,0.513,62.8,68.9
24.9856,5768,59.3,0.997,0.513,62.8,69.3
25.06752,5775,59,0.997,0.513,65.5,72.1
25.14944,5782,61,0.997,0.513,67.8,75
25.23136,5789,63,0.997,0.513,69.2,76.2
25.31328,5803,64.6,0.997,0.513,69.2,76.2
25.3952,5809,66.3,0.992,0.513,68.3,75.8
25.47712,5816,66.4,0.992,0.513,66.9,74.2
25.55904,5823,66.5,0.992,0.513,64.2,71.3
25.64096,5830,66.7,0.992,0.513,60.9,67.7
25.72288,5837,66.9,0.992,0.513,59.5,66.5
25.8048,5844,66.7,0.987,0.513,60,66.9
25.88672,5844,66.6,0.982,0.513,59.1,66.1
25.96864,5857,66.6,0.987,0.513,56.3,62.8
26.05056,5864,66.7,0.987,0.513,53.1,59.2
26.13248,5871,66.6,0.987,0.513,51.2,57.1
26.2144,5871,66.6,0.987,0.513,50.8,56.7
26.29632,5878,66.5,0.987,0.513,50.8,57.1
26.37824,5885,66.5,0.987,0.513,51.7,58.4
26.46016,5891,66.4,0.992,0.513,52.6,59.2
26.54208,5898,66.3,0.992,0.513,52.6,59.2
26.624,5905,66.5,0.992,0.513,49.8,56.3
26.70592,5912,66.7,0.987,0.513,46.6,52.3
26.78784,5919,62.8,0.987,0.513,43.4,49
26.86976,5919,58.8,0.982,0.513,44.3,49.9
26.95168,5926,58.8,0.982,0.513,46.6,52.7
27.0336,5926,58.8,0.982,0.513,48,54.3
27.11552,5939,59.1,0.982,0.513,47.1,53.5
27.19744,5946,59.4,0.978,0.513,44.8,50.7
27.27936,5953,59.2,0.982,0.513,41.1,46.6
27.36128,5953,59.1,0.982,0.513,39.2,44.6
27.4432,5960,58.9,0.982,0.513,38.3,43.4
27.52512,5960,58.8,0.978,0.513,39.2,44.6
27.60704,5967,62.4,0.978,0.513,36.5,41.3
27.68896,5974,66,0.978,0.513,37.4,42.6
27.77088,5980,66.1,0.978,0.513,24.5,28
27.8528,5980,66.3,0.978,0.513,32.3,36.9
27.93472,5987,64.3,0.978,0.518,62.8,71.7

[wheelhop]

So, yesterday, I removed the stock cat and flex pipe. Why the flex pipe? Because of how much it chokes down at the entrance and exit.



I was able to swap in some straight pipe and a section of generic stainless flex pipe that was 2 1/8" with one reducer, since the inlet from the turbine housing outlet I had already been feeding it that size. The difference was significant! Noticeable right away, without logging. All logs are done on the same stretch of road, same weight (even same fuel level), and the software corrects for the ambient temperature difference. I transparently overlaid the new run on the run from above where I had just swapped to the turbo. Then I smoothed the graphs with the software a little to get a better view of the changes. No other differences to the setup, other than swapping the cat and small flex piece for straight pipe and larger flex.



With the overlay, you can clearly see how much broader the powerband is. And in fact there are gains about everywhere from 2k to 6k. Well worth the work. And, the exhaust is still very quiet. With the cat, it was actually surprising how quiet the exhaust was at WOT. Now it's got a nice crisp note; but not obnoxious, or raspy.

And to reinforce the increase in airflow and power, remember the curve of the % Injector Duty Cycle with the cat still in place in the previous post? Notice the higher new curve overlaid on the graph. More gas is needed as seen by the ECU because more airflow is being reported. Same road (same baro), and the ambient air temp is actually a few degrees higher yesterday than when the earlier log was generated. A good increase is apparent with several logged variables.

Considering how conservative the graphing is since the baseline pull was with several mods and still a bit lower than what typical wheel hp/tq values would be if absolutely stock, as the compressor map verifies, this setup is doing very well for where the boost is set. It puts a smile on your face every time you lay onto the accelerator.

And here's the raw data from the log without the cat as well:

Code: Select all

Session: Session 2,,,,,,
time,RPM_CH1,IDC_CH2,O2_CH3,VAM_CH4,torque,power
(sec),(RPM),(%),(Volt),(Volt),(lbft),(hp)
0,2326,13.2,0.323,1.007,0,0
0.08192,2326,18.1,0.303,0.973,0,0
0.16384,2326,23,0.283,0.938,0,0
0.24576,2347,22.5,0.406,0.934,17.1,7.7
0.32768,2361,22.1,0.528,0.924,40.3,18
0.4096,2381,21.3,0.611,0.924,55.6,25.3
0.49152,2395,20.6,0.689,0.919,69.2,31.5
0.57344,2409,20.6,0.723,0.909,76.7,35.2
0.65536,2422,20.7,0.753,0.899,79.3,36.6
0.73728,2436,20.6,0.767,0.894,75.3,34.8
0.8192,2450,20.5,0.782,0.885,69.6,32.2
0.90112,2457,22.3,0.792,0.885,62.6,29.3
0.98304,2463,24.1,0.797,0.885,58.7,27.5
1.06496,2470,24.3,0.841,0.885,56.1,26.4
1.14688,2477,24.6,0.88,0.88,56.5,26.7
1.2288,2491,25.1,0.914,0.875,61.3,28.9
1.31072,2498,25.6,0.948,0.865,70.1,33.3
1.39264,2511,25.8,0.978,0.86,77.5,37
1.47456,2525,26,1.007,0.855,80.6,38.5
1.55648,2545,26.1,1.026,0.855,79.3,38.5
1.6384,2559,26.3,1.046,0.85,78.4,38.1
1.72032,2566,26.2,1.061,0.85,78.8,38.5
1.80224,2573,26.2,1.07,0.846,81,39.6
1.88416,2587,26.4,1.08,0.846,84.1,41.4
1.96608,2600,26.7,1.085,0.841,85.9,42.5
2.048,2614,27,1.09,0.836,85.4,42.5
2.12992,2628,27.3,1.095,0.831,85,42.5
2.21184,2641,27.4,1.1,0.831,85.4,42.9
2.29376,2648,27.5,1.1,0.826,85.9,43.2
2.37568,2662,27.7,1.1,0.826,85.9,43.6
2.4576,2675,28,1.1,0.821,88.5,45.1
2.53952,2689,28.2,1.105,0.816,92.9,47.3
2.62144,2696,28.3,1.105,0.811,96.4,49.5
2.70336,2717,28.5,1.109,0.811,99,50.9
2.78528,2730,28.8,1.109,0.806,99.4,51.7
2.8672,2744,28.8,1.109,0.806,97.7,50.9
2.94912,2758,28.8,1.105,0.802,95,49.8
3.03104,2771,29.1,1.105,0.802,94.2,49.5
3.11296,2778,29.5,1.105,0.797,92.4,49.1
3.19488,2792,29.7,1.105,0.792,90.2,47.6
3.2768,2805,29.9,1.105,0.787,88,46.9
3.35872,2819,30.1,1.105,0.787,88,47.3
3.44064,2826,30.4,1.105,0.782,88.9,48
3.52256,2840,30.5,1.105,0.782,91.1,49.1
3.60448,2853,30.7,1.105,0.777,93.3,50.6
3.6864,2867,30.9,1.109,0.777,95.5,52
3.76832,2881,31.2,1.114,0.772,95.9,52.8
3.85024,2894,31.4,1.119,0.767,94.6,52
3.93216,2908,31.7,1.119,0.762,92.9,51.3
4.01408,2922,31.9,1.119,0.762,93.7,52
4.096,2929,32.2,1.119,0.758,98.1,54.6
4.17792,2942,32.3,1.119,0.758,102.9,57.5
4.25984,2956,32.4,1.119,0.758,104.7,59
4.34176,2977,32.6,1.119,0.753,103.4,58.6
4.42368,2990,32.8,1.119,0.748,101.2,57.5
4.5056,3004,33,1.119,0.748,99.9,57.2
4.58752,3011,33.3,1.119,0.743,99.4,57.2
4.66944,3024,33.3,1.119,0.743,99.9,57.5
4.75136,3038,33.3,1.119,0.738,99.4,57.5
4.83328,3052,33.5,1.119,0.738,98.1,57.2
4.9152,3065,33.7,1.119,0.733,99.4,57.9
4.99712,3079,33.9,1.119,0.728,102.1,59.7
5.07904,3086,34.1,1.119,0.723,104.2,61.2
5.16096,3107,34.3,1.119,0.723,106,62.6
5.24288,3120,34.5,1.119,0.718,105.6,62.6
5.3248,3134,34.6,1.119,0.718,102.5,61.2
5.40672,3148,34.8,1.119,0.714,98.1,59
5.48864,3161,35,1.119,0.709,95,57.2
5.57056,3168,35.2,1.114,0.704,94.6,57.2
5.65248,3182,35.3,1.114,0.704,97.2,58.6
5.7344,3189,35.5,1.114,0.699,99.9,60.5
5.81632,3209,35.7,1.114,0.699,103.4,63.4
5.89824,3223,35.9,1.114,0.694,109.1,66.7
5.98016,3237,36.1,1.114,0.694,113.9,70
6.06208,3250,36.4,1.114,0.689,115.2,71.1
6.144,3271,36.6,1.114,0.689,114.3,71.1
6.22592,3284,36.8,1.109,0.684,114.3,71.4
6.30784,3298,37,1.109,0.684,115.6,72.5
6.38976,3305,37.1,1.109,0.684,115.6,72.9
6.47168,3326,37.3,1.109,0.684,115.6,73.3
6.5536,3339,37.5,1.105,0.679,115.2,73.3
6.63552,3353,37.7,1.105,0.674,116.1,74
6.71744,3367,38,1.105,0.67,118.7,76.2
6.79936,3380,38.1,1.105,0.67,121.3,78
6.88128,3394,38.3,1.105,0.665,121.3,78.4
6.9632,3414,38.5,1.105,0.665,119.1,77.3
7.04512,3428,38.8,1.1,0.66,118.3,77.3
7.12704,3442,39,1.1,0.655,120,78.8
7.20896,3449,39.3,1.1,0.65,123.5,81
7.29088,3469,39.4,1.1,0.65,126.1,83.5
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7.70048,3544,40.9,1.095,0.63,121.3,82.1
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7.86432,3572,41.2,1.09,0.621,124.4,84.6
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8.35584,3668,42.5,1.08,0.601,145,101.1
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10.40384,4099,49,1.046,0.552,156.8,122.4
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10.89536,4195,47.6,1.041,0.547,160.8,128.2
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11.0592,4236,49.6,1.036,0.547,156.8,126.4
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11.71456,4359,50.7,1.036,0.538,156.4,130.1
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11.8784,4393,51.2,1.031,0.538,164.3,137.4
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12.77952,4571,60.6,1.026,0.533,149.4,130.1
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13.02528,4619,54,1.026,0.533,140.6,123.8
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13.27104,4660,57.3,1.026,0.528,141.5,125.7
13.35296,4680,57.4,1.026,0.528,138.4,123.1
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13.5168,4708,59.4,1.026,0.528,137.1,122.7
13.59872,4715,61.3,1.022,0.523,139.3,125.3
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13.76256,4749,58,1.022,0.528,140.6,127.1
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15.07328,4975,60.5,1.012,0.518,126.6,120.2
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22.03648,5871,66.3,0.963,0.513,63.5,71.1
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22.28224,5891,58.9,0.958,0.513,58.3,65.2
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23.3472,5987,66,0.953,0.513,60,68.5
23.42912,5994,65.9,0.953,0.513,59.6,68.1
23.51104,6001,64.2,0.953,0.513,58.7,67
23.59296,6008,62.7,0.953,0.513,58.3,66.3
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23.7568,6022,58.9,0.953,0.513,55.2,63.4
23.83872,6028,58.9,0.953,0.513,52.6,60.5
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24.00256,6042,62.5,0.953,0.513,53.4,61.6
24.08448,6042,66.1,0.953,0.513,53.4,61.6
24.1664,6056,64.2,0.953,0.513,50.4,58.3
24.24832,6063,62.4,0.948,0.513,48.2,55.3
24.33024,6069,60.5,0.948,0.513,47.3,55
24.41216,6069,58.7,0.948,0.513,51.2,59.4
24.49408,6076,60.6,0.948,0.513,54.3,62.6
24.576,6083,62.6,0.948,0.513,56.5,65.6
24.65792,6097,62.5,0.948,0.513,53,61.2
24.73984,6104,62.5,0.948,0.513,51.7,60.1
24.82176,6110,60.3,0.948,0.513,35,40.7
24.90368,6110,58.3,0.948,0.513,39,45.4
24.9856,6117,60.1,0.948,0.513,69.6,81

[kulluminati777]

OMG i knew i was in the matrix

[wheelhop]

My car can leap over traffic because there is no spoon

***EDIT: No, this b6 sohc can handle 8psi boost and aggressive timing because there is no spoon