Air/Fuel meters for BPT

4-Cyl. Technical/Performance Discussions
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Cpl_Bryant
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Air/Fuel meters for BPT

Post by Cpl_Bryant »

Hey gang. I want to get an air/fuel gauge for my BPT, but there's only the one spot for the sensor so I can't add a second one. Is there a way to splice into that sensor's wiring to get a signal for a gauge?
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RS_OBD'oh_2
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

you may have to weld a new bung onto the down pipe. and get just a new wideband kit from AEM or related product.
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

I assume we want it before the wastegate line joins back up with the exhaust?
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

I believe it needs to be 12-18 inches away from the turbo, pends on the make tho
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

So to be on the safe side, I'd put it close to where the current one is now?
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

I don't know for sure what the BP dp looks like. best thing to do is check the specs on the wb kit you get. I'll see if I can find any deals on AEM. I posted a deal a few months back, doubt that is still the same price. will let you know.
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

http://cgi.ebay.ca/AEM-GAUGE-TYPE-6-IN- ... 240%3A1308" onclick="window.open(this.href);return false;
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

http://cgi.ebay.ca/Innovate-LC-1-Wideba ... 240%3A1308" onclick="window.open(this.href);return false;

- cheap shipping
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

So even if I had this A/F ratio gauge, and I could see that maybe I'm leaning out... what could I do about it? How can I tune the GTX ECU?
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

you can't really. you'd need a piggy or stand alone to tune with. A WB should be on all after market turbo setups. Although you are unable to tune your car, you will know when not to push it. If you see her running lean, you can back off before you destroy any rings.
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

If I can see that I'm leaning out at the top end, would upgrading the injectors fix that? Just because they're bigger doesn't mean they're dumping more fuel all the time, only that they have the ability to when needed, right?
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Re: Air/Fuel meters for BPT

Post by RS_OBD'oh_2 »

injectors can solve that problem. it's all about duty. They will work in conjunction with the oe bpt ecu that you are using. The ecu will tell the injectors to dump fuel and they will no matter what size they are. unless you control the pulse width of the injetors, bigger will dump more fuel.
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

So assuming I'm leaning out in the top end, and I added a bigger injector to compensate, I would then likely run richer in the lower end?

I thought the ECU regulates how much fuel is injected based on the amount of air coming in?
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Re: Air/Fuel meters for BPT

Post by Limegreen mx-3 »

Omg :confused2:
(12.4@118@18psi) 92 MX-3, KIA (BP-DE)Swap, Electromotive TEC II Standalone, 8,200 Rev Limit, Custom Intake/Exhaust Manifold, 1,000cc PTE Injectors, Custom Fuel Rail, Aeromotive FPR, 80MM Holley TB, MSD 8.5MM Wires, NGK V-Power #8, SC6262 Turbo, 3 in. DownPipe, Tial WG/BOV, 600HP PTE FMIC, 2.5IN Intercooler Piping, EQUUS/Autometer KIA G-Series Tran, Extreme ACT Clutch, Built BP in starting process.
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Re: Air/Fuel meters for BPT

Post by Cpl_Bryant »

Limegreen mx-3 wrote:Omg :confused2:
Lol, cut me some slack.
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