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Old 2006-03-12, 07:25 PM   #49
sp00ln
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Join Date: May 2003
Location: Reno, NV
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Quote:
Originally Posted by BAN SUVS
The DSM tuners can answer that one better. Scott touched on one thing that's important about track motors- oil temps and oil slosh. An oil cooler (and trans cooler possibly) definitely wouldn't hurt, and would probably make things easier for the engine. So would a larger radiator, or at least a fresh 70/30 distilled water and antifreeze mix plus a bottle of Water Wetter or Purple Ice. Check if your injectors and fuel pump can handle the amount of horsepower you expect to make at the track. Upgrading the fuel pump is probably not a bad idea, as long as it won't throw your AFRs off by more than your O2 sensor can adjust for. 4G63s do that right? And like Scott also said, a small bump in octane for the car, up to 93 or 94, would probably be best when out on the track. Adds some det resistance without slowing down the burn enough to lose power or raise EGTs.
Thanks, I think I'll take your advice. Will a 70/30 water to antifreeze mix dry up fast, or will it be ok? And if I keep an eye on my EGTs, will that be a good thing to judge whether or not my engine is doing ok?

My tune (as far as a/f and the sort) is fine. Its just a constant 20min or so of 200+ horsepower over stock engine conditions that concerns me.

Sorry for highjacking your thread scott... I'll try to keep this in my thread Are you bringing your car out to the meet this thursday?
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