Didn't want to hijack another thread that this cam up in so I'll start a new one. The question. What pressure should I run my tires at when towing? The answers received. Go by the door plate o...
For my 2500 Dodge/Cummins with LT265/70-17 E I've found 65 psi in the front works the best. My trucks front axles don't carry any pin weight so I leave them at 65 psi 24/7.
I've found 45 psi when running empty and 70 psi with 2200 lbs of pin weight for my 5er or 80 psi with the 16k GN trailers.
This truck has 225k miles and is on its third set of tires.