5.7 to 5.3 now help with increasing torque

[popo8]

Your problem is not torque. The new truck has a little more than the old one and a lot more HP (255 HP/330 TQ VS 320 HP/340 TQ). I would bet that you picked one with the wrong gears, probably 3.08's. The only way to fix that is to re-gear it or trade it for one with 3.42 or even 3.73's. Unfortunately, both options are wallet busters especially if yours is 4WD.

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