Running Headers With Untuned Car?
08-25-2006, 06:27 PM
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Staging Lane
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Running Headers With Untuned Car? Is it okay to run headers with an untuned car until i get it tuned which will be in about a month? I have high flow cats and lm exhaust.. will this hurt my cats or anything else? thanks..
08-25-2006, 06:45 PM
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It will be fine. I drove for 5 months after my header install before a tune. It might run a little rich and there's a chance the Check Engine Light will come on, but the car will drive just fine.
08-25-2006, 06:48 PM
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mods mods are ls6intake, slp maf, asp underdrive pulley, pacesetter lt, tsp catted y, msd wires, slp lid, slp smoooth bellow, slp lid,slp loudmouth
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08-25-2006, 10:46 PM
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Ive got LTs and no tune. As the others said, I run a bit rich but it drives just fine. I may be missing out on a couple horsepower though without the tune. Im just waiting for the cam to get the tune.
08-25-2006, 11:06 PM
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longtubes and no tune since march. runs fine but i am dying for that tune everytime i run that quarter mile. hopefully my time will drop a few tenths once i get it. 
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08-26-2006, 04:02 PM
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Originally Posted by nokeman
Ive got LTs and no tune. As the others said, I run a bit rich but it drives just fine. I may be missing out on a couple horsepower though without the tune. Im just waiting for the cam to get the tune.
I have long tubes, off-road X pipe, and a couple bullet mufflers dumped...but I won't be getting a tune until I get that cam I have been longing for so much. Stupid tires set that back though
