Re: Mileage..
Interesting....I've tried 91 octane and got no noticeable benefit and no mileage increase. So I decided to save the $0.20 per gallon.lildevil23 said:Mileage does increase when you put a higher grade fuel..i started off with premium..used to get in the 18's..then with regurlar..17's..and once when I had to use NJ fuel..it fell all the way to 12!!..i think I used regular..not sure..