to have a truck that can run that fast your gonna be going thru transmissions like crazy. the problem is you can't do much upgrading to the internals of these transmissions. basically just input and output shaft
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01 3500, 5 spd, edge juice w/attitude w/hot unlock, hx40/ht3b twins, bd intercooler boots, bd short shift kit, 250hp sticks, o-ringed head, pdi 3 piece manifold, 110 valve springs, billet push rods, arp studs, airdog 150. 517/979 on october 3rd 2009