Would you guys say 92 octane that has 10% ethanol mix would be better for our cars for performance/cooling than straight 93 octane with no ethanol in it? I keep going back and forth on this and just cant make up my mind. Please help lol
would there be a big difference when getting it tuned do you think? One of the guys just ran 12.8 with 91 tune only... i would thing 93 tune only would make it a bit quicker where it would be noticable on the time yes?
