Quote:
Originally Posted by vraa
Because torque rocks.
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As opposed to what? Not making any torque?
All vehicles make torque, or else they would have any horsepower. I think you mean: power in the low-rpm range is awesome as opposed to much higher power levels in the upper rpm band. You want a Mustang 5.0 type motor or a M5 type motor? Both are 5 liters and both have completely different powerbands. One of these engines is not like the other...
A motor that makes more horsepower is faster so long as the gearing doesnt hose it. This whole torque-myth has GOTTA go. You don't pull a boat trailer with torque, and you don't accelerate down the quarter mile with torque... Torque is a static value, check it out; its basic classic physics. Horsepower is torque applied over time, an actual useful value. This is why F1 cars make crappy peak torque values; but have ferocious powerbands and the gearing to take advantage of them; and why trucks that tow need to have fatter powerbands in the low and mid rpm range.
The 5.7L would be a poor choice because of gas mileage and possibly weight. The 5.0 is quite capable of making plenty of power; peak torque numbers mean absolutely nothing... just because a car has big peak torque doesn't mean it has a good powerband. Not saying the Toyota 5.7 doesnt have a good powerband; I'm saying the 5.0 powerband will be far superior for what the GS-F and IS-F will be engineered to do
(and thats kick ass and take names).
Its all about designing the engine around the spirit of the vehicle that it will power.
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