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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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I don't know enough about your motor to answer that. If the car is tuned for 91, you probably want to run a 2 to 1 mix of 91/100... (1 gal of 100 for every 2 gals of 91) for safety sake. According to Mike at Gruppe-S running straight 100 on a 91 tune will actually rob you of power.
And if you've got the ability, dropping down to 16 psi for the track would probably help both heat and make the car safer. You won't really miss the power. The biggest gains in lap times come from being able to carry cornering speed onto the straights, not just from having more power.