Originally Posted by Cobb
What psi are you using? Tire or door jam psi? Have you traveled a thousand miles on them yet? Its my xperience it takes a thousand to break them in. You said your speed is now accurate. Are you calculating the mpg off the tire size or the dash readout?
40 psi this last trip. I’m calculating mpg manually miles per tank divided by the number of gallons of gas to refill. I did not account for the tire size.