Hey anyone running 20 275 30 in the rear? If so what at? How about 20 255 35 in front? All positive input is appreciated.

 

Looking for the tread to run level, draw a chaulk line across the tread and roll the car back and forth to wear the line off. If it wears in the middle, lower the pressure. If it wears on the outside, raise your pressure.

I have also done this using wet pavement. Roll the car thru some damp pavement and watch the track it makes on dry pavement. Adjust the pressure so you get an even tread pattern left on the dry pavement.

This has given me the best tire wear on many vehicles.