07-14-2003, 02:21 PM
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CC Member
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Join Date: Mar 2002
Location: so cal,
Cal
Cobra Make, Engine: I used to fix them for a living
Posts: 2,563
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Not Ranked
A chassis dyno is not consistent enough to make statements about an additional 3 hp and what caused it. Race gas does not have a noticably higher "specific energy" than pump gas. If your pump gas is oxygenated or contains ethanol, perhaps a fraction of a percent difference. Or if your fuel is not quite good enough and your EFI's CPU starts retarding the spark timing to prevent detonation, than yes.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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