Quote:
Originally Posted by Davetopay
Guys, keep in mind, the truck 12 bolt will NOT take the same power a car 12 bolt will stand up to. It's all in the pinion shaft diameter. If you make big HP with good traction in a heavy vehicle, they are known for shearing the pinion shaft off.
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Big HP---ZZ572/620
Good Traction?---Hoosiers
Heavy Vehicle?---3300 # on the scales @ Western Waste Tucson with my fat ass in it.
Haven't broke it yet.
The pinion shaft will handle the power of a 401 with no trouble!