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post #1 of 6 (permalink) Old 02-27-02, 01:13 PM
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Faster when cold?? Shouldn't it be the other way around?

Hey all, how's it going?

I'm driving around a '89 fairmont, cfi and a 3 speed. Neway, basically I wanted to know why is it, that my car kicks arse when it's cold, but turns into, well, not a slug, but pretty close when it's warm?? I don't get this.

I'm not going to pretend to be an expert mechanic, but I know the basics, but I can't think of any reason why it would be faster, and more responsive when it's cold.

Any replies would be great.

Thanks guys..


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post #2 of 6 (permalink) Old 02-27-02, 01:22 PM
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One theory is that cold air has a greater density than hot (expanded) air, therefore has a similar effect to a bigger intake...

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post #3 of 6 (permalink) Old 02-27-02, 01:30 PM
Westkoast EA
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Slow when hot ?

Another time & place & WOMEN ,it could be fun
But really id be looking at mabe fuel evaporation.
mabe ...
post #4 of 6 (permalink) Old 02-27-02, 02:38 PM
Fly like a Falcon
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yeah the cold air will have some differance... also...did you know that drag cars run on cold engins... for the reason that a cold engine dillivers more comprestion... im not sure why... maybe its the cold air...
but it turning in to a slu (not quite slug) when hot... now i know thats not right....

as you can tell i am an A grade... ***** star mech.
post #5 of 6 (permalink) Old 02-27-02, 03:07 PM
Ea EnVy
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Re: .

yes! same thing happens to mine.. althopugh mine has that whining noise to top up with the loss of power.. its cpi too.. its wierd.. there is a vast difference between power when the engine is warm and when its not.. im thinkin myabe jus the age of the engine and the km.. maybe its just a normal thing? maybe??
post #6 of 6 (permalink) Old 02-27-02, 03:09 PM
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You shouldnt know its any quicker while cold anyway, 95% of engine wear occurs while the engine is cold.
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