Originally Posted by 70Drop
10.60, 1.5 60-ft., 3300 lbs. The tires like 15 lbs of pressure. More than that and they spin

I suspect it's the low air pressure you use. Most radial users I know run 18-22 psi and the higher pressure seems to reduce the tire rotating on the wheel.

Maybe your chassis settings aren't optimized for a radial, which requires you to run lower pressure as a Band-Aid for the chassis.