Originally Posted by
HighPSI TSi Guy
E10 doesn't do jack shit to your car as far as damage. It's better than regular 93 without Ethanol, for performance. I bet you're afraid of public toilets too.
Believe what you want. Your knowledge come from reading propoganda, mine comes from talking to engineers. In my old car (though e10 compatible) there is a substantial reduction in power when going to e10 (even readjusting the mixture to match). Chevron agreed with me btw, non-oxygenated 93 octane gas gives better mpg and better power than 93 octane gasohol.
If you're running e85 at 12:1, there's no point in having gone to e85, because you sure aren't going to be running 14:1 compression with a 12:1 a/f on e85.