under powered cars ( Mazda )

[guyaverage]

You mean.....
<img src="http://images.cardomain.com/member_img_ ... 2_full.jpg" alt=" - " />

<small>[ September 23, 2003, 10:31 AM: Message edited by: guyaverage ]</small>

[killerpickle]

haha,
is that vaugn?

[guyaverage]

Yea.. I dont know him personally, I just grabbed the picture off his website. I hope he doesnt mind...

I guess he could look on the bright side. If this picture were real, he'd have 50,000 lbs of Morton Thiokol thrust under the hood. Ya want more power, I give ya more power..

[Nd4SpdSe]

Ahh sarcasm....i dont even know if i shoud bother spealing on why you cant have a reglar car rev at 20'000rpms, as well your f-16's argument cause they arent piston powered but jet engines, and are not cheep...

An engine cant just rev as fast adn you want it to go, there are limits for piston-style engines. Not only do you hafta to deal with the tremendous force when the piston changes direction, but as it moves faster, friction creates heat, and also friction creates wear. If you have 2 identical engines move (internally) twice as fast in its lifetime, theoretically its lifetime should be half as long because it goes through its wear twice as fast, but then you have heat which increases at a non-linear rate

In mechanical systems, changes in thermal energy are generally caused by the presence of friction. Work done by friction reduces the mechanical energies present (potential and kinetic) and introduces thermal energy, or heat. Consider a system that consists of a block sliding across a rough surface which has a coefficient of kinetic friction of m = 0.2. Previously, we would have just stated that the work done by friction on the block brings the block to a rest. But where did that energy go? It needs to be accounted for. The block's mechanical energy became thermal energy, evidenced by the increases in the temperature of its lower surface. (This effect can easily be shown by rubbing your hands rapidly across each other. As you rub, the inner surfaces of your hands get warmer - KE being transferred to TE.) This is still not the entire story, since some of the frictional heat was also absorbed by the table's surface - but we are getting closer to reality.

If we now assume that the entire work done by friction can be accounted for by the increase in the temperature of the block, then we can set up the following equation.

Wdone by friction + DTE = 0
fs cos q = - ( TEf - TEo )
fs cos 180º = - TEf
- fs = - TEf
(mh)s = mc DT
mhs = mc (Tf - To)
and we can solve for either the final temperature or the specific heat.

As engines rev higher, they need to be built to widthstand it, thus increasing costs...look at F1 engines, almost 20'000rpm redline

Revving to over 18,000 RPM a modern Formula One engine will consume a phenomenal 650 litres of air every second, with race fuel consumption typically around the 75 l/100 km (4 mpg) mark. Revving at such massive speeds equates to an accelerative force on the pistons of nearly 9000 times gravity. Unsurprisingly, engine failure remains one of the most common causes of retirement in races.

<small>[ September 23, 2003, 08:03 PM: Message edited by: Nd4SpdSe ]</small>

[guyaverage]

i dont even know if i shoud bother spealing on why you cant have a reglar car rev at 20'000rpms

I dont see anywhere that anyone even remotely suggested this. Someone was ragging on the S2000 because it had its HP peak at 8300 rpm and I said that Honda designed it for that rpm therefore wasnt a problem. I never suggested unlimited redlines and I have yet to hear about hoards of S2000 owners bringing their cars back to Honda with broken rods, cranks and pistons.

The funny thing is, if you ever met Vaughn, or been in a discussioin with him as I and a few other original MX-3 community people on this UBB have, you would know that that is something, that, if possible, Vaughn would have already tried it.

Sounds like someone I would get along with just fine!

[Nd4SpdSe]

Originally posted by guyaverage:
Someone was ragging on the S2000 because it had its HP peak at 8300 rpm and I said that Honda designed it for that rpm therefore wasnt a problem. I never suggested unlimited redlines and I have yet to hear about hoards of S2000 owners bringing their cars back to Honda with broken rods, cranks and pistons.

Of course, but 8300 rpm isnt a huge leap. Guys here even said your v6's are designed upto 8000rpm's, and thats 10 years ago

Cool, check this out:

http://uanews.org/cgi-bin/WebObjects/UANews.woa/5/wa/SRStoryDetails?ArticleID=7746&wosid

[RuffneckMantis]

:p ) should be getting into.

It is true alot plays an effect into your "power" not just BHP and Tq. such as weight, drive train, tires, such and such.

And to make a point what is the real reason why anyone should be tuning there car, orther then to go fast, its to have fun with, it's something you do with a few buddies and a few cases of beer (all minors can substitue there own drink) to make the time go by, and in the end to be proud that you did it yourself, not just handing a few grand to a guy(like myself, or curt :p ) and say this is my car, i want it to go 0-60 in 0.1 secs, and be able to cutoff a minivan so fast that the van cant see me until i put on my brakes to slam into that traffic that is stopped at a light 10 ft away.

One more point, when do you need that 300 hp 250 ft lbs Tq. in stop and go traffic, its not like your gonna go any faster then 10 Km/h.

Meh, my opinion, my thoughts, not like it matters to anyone else, or it shouldnt.

[86Maz6]

What impresses me is when the torque is of a higher number than the HP rating, for instance the Nissan SER is rated something like 165 HP and 175 ft.lbs torque.

1986 Mazda 626 EFI
120ftlbs/tq
93whp
and if you have one of the rare 2doors they fly

[bubbaflaat]

I don't know exact numbers of hand. But I know the new S2000 has a 2.4L engine in it now. It makes a few more ponies I know. But Also it makes some more tourqe. This is just my opinion. LOL but I'd take a Bone Stock S2000 anyday over a KL-ZE MX-3. Just cause they are pimp cars. And RWD!!! No matter how fast a FWD car is, you can never do a powerslide!! I don't know very many people who would take a FWD car over a RWD car. They joy of driving is so much greater. And you don't need to be going in straight lines at high speeds!

[86Maz6]

I don't know very many people who would take a FWD car over a RWD car

Just meet one right here, but then again the only RWD car I have ever driven is my dad's 81 Z28 camaro, and well I was not impressed with it. No where near as much fun to drive as my mazda

[OsoSlo z28]

"fun" is relative. i prefer straight-line acceleration, which is why i sold my mx3 and bought a z28. granted, my friend has an 11s crx, but the amount of money in that thing is crazy.

[bubbaflaat]

I agree. Every man for himself. That is what makes everyone interesting, being different. Imagine if you guys finally won the argument, and got everyone in the world to beleive that mazda mx-3's are the greatest?! What fun would that be?? No guys in lame cars to stomp on and make fun of!!! I think these threads are funny, everyone just goes ape ****! LOL I already learned that you can't win in these arguments...

[phr34k]

you guys are arguing a dead topic i personally would have to say that my syclone was nice but now i bought a 240sx and am in the middle of getting a redtop sr20det

Yes mxs are nice and yes i can say i do not prefer to drive a honda. but if forced to take any honda it would be the 2004 si because it would make one nice show car with the widebody kits out now.

[bubbaflaat]

Yeah, I just finished a red top sr20det swap in a 240sx! Where did you get the engine from?