Originally Posted by THE RADMAN
what is it, or what are the factors that determine whether your car makes good torque over actual bhp? ie you can have 2 more or less identical chipped cars,using same chips,injectors etc,but one of them will produce far more torque than the other,why is this?
In the scenario you suggest the main difference is usually engine wear such as bores/cams.
If turbos, you will normally find one has more boost PEAK than the other.
Camshaft TIMING of course also plays a part in the peak torque area.