1999,3500,Dually,4x4,Auto,355,Gears,w/ Van Aiken performance module.
I Currently have factory 215/85/R16 tires, Drive 85% empty & 15% pulling 15,000lb. GN Trailer. I am interested in changing to 235/85/R16 tires. How will this effect my gearing, shiftpoints, torque and economy? I am extremely...