Originally Posted by sxecrow
I get that when I run 93 octane. My gas milege sucks when I do. I really need to run 93 due to the fact my compression ratio is 10:1 but when I run 89 octane, I can squeeze another 80-90 miles out of my tank.
maybe my car's other owners ran 93 or 89 octane and thats way i get bad freeway mileage? :dunno: