whats better a 7.3 ford or a 5.9 mechanical p-pump dodge. i know this is more on personal opnion but i am looking for a good dually rig to build to haul my stuff around. i am only goin to buy a 4x4 dually with a stick shift. what r the weaknesses of each brand from real world ppl. i also want to be in the 400 rwhp range too on either motor. any input? oh yeah i live in wv where there is not much flat ground and i will be pulling 14000 lbs for a light load and up to 20000 lbs heaviest