I had 35x12.50r15 Km2s not too long ago and I did the chalk test and figured out my PSI to be around 27 or so. I just recently bought a pair of TSL radials and did the chalk test again, and came out to 30 psi. These are bigger at 36x12.50r15s on a 10" wheel ( came with the tires ). I did the math formula to figure it out ( again should be a rough close estimate ) and that damn formula gave me 13 psi...

Has anyone ran TSL radials on their cherokee at 36x12.50s? If so what do you run PSI wise? Hell anyone run any 36s, if so whats your PSI.

 

i run 36 iroks (bias ply) at 12psi on the road.

 

i run whatever they feel safe and handle decent at.

from bias ply and radial 35s to 38s i have been anywhere from 17 psi to 30 psi on the street

 

Thanks guys. Maybe I'll knock it down to 25 or 27.