Quote:
Originally Posted by BMWsky
I was talking with someone locally who was testing the ethanol content in various gas stations and he said some were testing as high as 17% even though they reported 10%. My point in bringing this up is that it's probably difficult to know exactly what we're getting.
With all that being said, I've been running a 50/50 mix with PROcede for about 2 weeks. I noticed that the car seems to be adapting to it rather nicely as the timing looks better than it did when I first ran it. (Probably took some time to get the mixture right in my tank and for the car to adapt.)
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Yeah, the ethanol definitely gives you an effective "octane boost", but I'd be wary of the long-term effects. Word on the street at one time was that the ethanol content in most gasolines in the US was a contributing factor to low- and high-pressure fuel pumps. It is somewhat corrosive to rubber parts in the system.