B BOP4ever Member Joined Jul 6, 2007 Dec 12, 2015 #1 Wondering which would be better for my car running 24 psi with alcohol. I filled up on the 91 today fwiw no retard on a couple hits I made on it after to see .
Wondering which would be better for my car running 24 psi with alcohol. I filled up on the 91 today fwiw no retard on a couple hits I made on it after to see .
E Eric Stage I TurboTweak Guy Joined May 25, 2001 Dec 13, 2015 #2 As long as there's no knock, it doesn't matter. The ethanol is not an issue.
hensleyt Well-Known Member Joined Feb 20, 2008 Dec 13, 2015 #3 Octane is the main part of the equation ,Go with the greater number
