Details: Dodge Cummins 4×4 dually tractor pulling truck, super modified for 1,600 Hp and who knows how much torque (maybe 3,000 Lb ft) -Vs- Big Rig diesel (bobtail) stock with 550 Hp and super low end torque (maybe 1,500 Lb ft) Both trucks are in low gear. This question is different. Also more detailed.

i have a 81 nissan pickup 720, with a SD22 2.2 L 65 hp diesel engine in it that i need to re build, problem is i have never worked with a diesel engine before, can anyone give me some pointers on where to begin?

i have a 1998 polaris scrambler 400 4×4 and i want to get some aftermarket parts to give it more HP. what should i get for it?

I have a 1979 GMC Jimmy 4×4 with a 350 i was wondering what should to to the engine to boost up HP and Torque I really want more power out of it because im getting a 6" lift and 37" tires and want more power to push them I know a new Carburator would [...]