F350 Super Duty vs 3500 Denali vs The Ike Pulling 30k lbs

^^^ Roy is pointing out that a 4.30 final drive along with the low gears of the 10 speed allow the 7.3 to provide enough torque. The problem with the 7.3 is the loss of power that a nonturboed engine experiences at 10,000 feet of elevation.