Quote:
Originally Posted by VCMpower
Too high octane and you are going backwards without proper tune. Most power is made with least amount of octane shy of detonation.
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http://www.m3post.com/forums/showpos...8&postcount=14
Quote:
Originally Posted by whats77inaname
I agree that if you're running *full* E85, you should change the pump, o-rings and injectors, but at that point, you really need a tune to take advantage of it.
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Please stay in the context of what we're talking about, which is adding a couple gallons of E85 in the fuel tank. What type of fuel is readily available to the general public that has *that* high of an octane rating that can cause power loss? People on this forum run 50/50 race gas/pump gas mixtures in their cars, and I know I've seen posts where people have run straight race gas . Given that, I'd be hard pressed to believe that someone will have too much octane when mixing 1-2 gals of E85 w/14-15 gallons of premium unleaded.