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Originally Posted by sp00ln
Well, thats one thing that concerns me with my car... an engine work out. Im afraid my car cant handle it. Its stock EVERYTHING. Just bolt ons. Do you think race gas (100oct) and 18psi will be ok to run around RFR?
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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.