Guys,

When updating to 22.5 what tire size do you recommend?

I see a 9R22.5 is the same diamter as the 8.25-20.

This truck is inline-6, single speed rear, SM420. Is a 10R22.5 worth trying for extra road speed, or is that too much tire for this truck? I understand the extra load larger tires put on the drive train and braking capability.

Any advice from experience with this is appreciated.

Thanks!

Last edited by JPBrecheisen; 10/29/2013 4:56 PM. Reason: spelling error
1957 GMC 100 NAPCO
1960 Chevrolet C60 Viking
1962 GMC K1000
1962 Willys Station Wagon
1965 GMC C1000
1972 GMC K25