Injuneer |
12-24-2006 02:40 PM |
Octane has nothing to do with power, unless it enables you to run the engine with a combonation of timing and A/F ratio that produces more power. A stock CR engine is not going to see more power with very high octane fuels. Anything over 93-octane (at sea level) is overkill. And, octane requirement is reduced with increasing elevation (that's why they don't pump 93 in Denver), colder intake air temperatures, colder coolant temperatures, richer A/F ratios, higher humidity, etc.
Octane has nothing to do with energy content or burn speed. Its simply a measure of how well the fuel resists knock (detonation) and ping (pre-ignition).
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