To get more torque, you have to either add boost (supercharger/turbocharger) or cubic inches (3.0L).....or multiply the torque you already have with a higher (numerical) axle gear (though the Cougar already comes with something of a 4.10 axle ratio on MTX).
Anytime you modify the engine, ostensibly you do so to increase the amount of power it produces. The raw force generated by an engine is measured in ft/lbs or n/m, depending on what side of the border you're from (eh?). This is force over distance- Turning power. Modifying your engine will increase the amount of this force, but not in any seriously appreciable amount without F/I or more displacement.
Horsepower is a derivative of torque. HP=(torque*RPM)/5252
So, increase torque by a little, and you increase hp by a greater margin as you rev up. That's how Hondas make 240hp with a puny <2.0L engine- They rev the hell out of it.
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