Hi Bob,
Not only the question of horsepower and torque, but what size and compound of the tires will make a difference in how much force will affect the case of a ZF. Wider, softer tires will bite much more than narrower, harder ones. So if there is a motor out there with 700 horsepower going through 285 wide rubber, you know what is going to happen. Spin, spin, spin.....
What kind of horsepower and torque are you looking at as well as rim and tire selection?
Mark
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