Another thing to bear in mind is that unless the power/torque can be successfully transferred to the road, then it is irrelevant just how much there is of it. Thiat is because for the chassis to be subjected to twisting forces there has to be a matching load. No load (for instance, spinning tyres) no twisting force.
Consider a tow rope. Is it strong enough to be used with a supercharged 8 litre LandRover? The question is meaningless until you know how heavy the LOAD is. The load on the powertrain of a car depends on how much grip (traction) there is, and the mass of the vehicle. Sevens don't have very much grip because they don't weigh very much.
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