IAT question
Thread Starter
Race Director
Joined: Apr 2004
Posts: 17,066
Likes: 3
From: Milpitas ca
IAT question
Someone gave me a resistor (looks like a 10¢ item) and told me put it on my IAT to make car run better. He says when he did it to his Camero it ran better, blah blah blah. My 92 runs fine and was just wondering if anyone has done this to their car? I was going to try it this weekend since it looks like a boring weekend .
Melting Slicks
Joined: Oct 2004
Posts: 2,510
Likes: 4
From: Austin Texas
I think you would be waisting your time doing this. Read Nathan Plemons paragraph regarding "Useless Modifications" for performance enhancements. Messing with the IAT sensor is at the top of his list. My assumption is that this "resistor" is intended to have the same effect as relocating the IAT switch to an area where the air would be cooler(ie further away from the hot engine).
http://www.wku.edu/~nathan.plemons/htmls/increase.html
http://www.wku.edu/~nathan.plemons/htmls/increase.html
Melting Slicks
Joined: Jan 2002
Posts: 2,531
Likes: 35
From: Lecanto Florida
Mike is right on. These things are being sold on eBay for a lot of different cars. If fools the computer into thinking that the air is cooler than it really is so the fuel mixture will be increased and I believe the timing is also advanced. Down side is your fuel mileage as there's no on/off for this thing....your always enriching the fuel mixture weather at idle or bumming around town. Don't think anyone's really measured the gain.
Le Mans Master
Joined: Jan 2002
Posts: 5,556
Likes: 0
From: Jenison MI
Cruise-In VI Veteran
Cruise-In VII Veteran
St. Jude Donor '06
Originally Posted by jabez
Oh well...I guess I will just chuck the thing in the garbage and re-wax cars instead.
Thanks
Thanks
The LT1's run rich as it is, there is no need to pump more fuel in there without adding something like nitrous to help burn it.
Large Impressive Member
Joined: Jul 2003
Posts: 65,811
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From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
Originally Posted by MikeC4
I think you would be waisting your time doing this. Read Nathan Plemons paragraph regarding "Useless Modifications" for performance enhancements. Messing with the IAT sensor is at the top of his list. My assumption is that this "resistor" is intended to have the same effect as relocating the IAT switch to an area where the air would be cooler(ie further away from the hot engine).
http://www.wku.edu/~nathan.plemons/htmls/increase.html
http://www.wku.edu/~nathan.plemons/htmls/increase.html
Safety Car
Joined: Nov 2004
Posts: 4,991
Likes: 5
From: The Pines South Jersey
Originally Posted by Corvette Kid NC
Relocating it however, can't HURT anything. The temp is really little, if any, different further forward. But it is claimed by some that the signal is more stable there. I sure don't know but more manufacturers are locating them in the airbox these days.
