2007 GMC 1500 4x4 tire size reduction.
I am needing to increase my torque (towing power) on my truck to pull a 28 ft 5th wheel RV with a dry weight of 7,900 pounds. 2007 GMC Sierra SLE 4x4 4.8L V8 The factory tire size is P265/70 R17 (31...
Forum Discussion
My 4.6L Ford really woke up when I went from 3.55 gears to 4.10s. If you are stuck with the truck you have, why don't you consider actually regearing instead of reducing tire size to such extremes? One typical caveat of smaller tires is lower load handling capability.
