Originally Posted by
Mmaxed
Have you thought about steeper gears if they are available in that rig? I know with my '08 V10 towing a similar load, I would get 4.88 or even 5.?? if I was towing all the time.
I ran rpm and speed calculations and with 4.30 and the 6 speed transmission and 4.88 would be overkill. You have to also remember there is no longer a 1 to 1 gear and two overdrive gears that allows the transmission to keep the motor in it's power band.
Denny