Quote:
Originally Posted by Nick M3
LOL. I run 30 psi under the recommended rear pressure in my HD. I figure that the front axle carries 4,000lbs. on 50psi, so the rear can carry the 3,000lbs. empty weight on 50 as well. (Recommend pressure is 80!)
Tire wear is WAY better this way, too.
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And your Duramax weighs what, about half of my 5.7 V8?
My F550 had air suspension on the rear axle, I didn't want to mess with air pressure on the dually tires, so I mounted a second limit switch on the suspension so I could run different air pressure on the air bags between loaded and unloaded. My 5th wheel pin weight was about 5600 pounds! Truck drove so smooth when loaded, but until I added the second switch it sucked driving the truck after unhooking the 5th wheel.