Originally Posted by mcdoogle6969
Hey all, I've been noticing that a lot of our BP stations around here are getting rid of their 93 (10% ethanol) and replacing it with 91 (100% pure)
So my question is, with higher horsepower levels, which would be better? 93 with 10% ethanol or 91 pure gasoline? I run meth as well.
You will need to take out some timing.