Quote:
Originally Posted by Rocky1974
It's even more amazing than you realize. All pre-1972 engines were rated in SAE Gross Horsepower. All '72 and up engines are rated in SAE Net Horsepower. This creates a huge difference in the numbers, a 100 horsepower or more in some cases. I have an article that claims that a 325 horsepower 396 only makes about 220 Net Horsepower. That 3.6 V6 actually has more power than a lot of the Big Blocks of the Muscle Car Era!
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But in most cases the performance motors were under rated for insurance reasons. Then there's the torque factor. Most of those big blocks put out 400+ lb ft of torque which is way higher than the puny 270 or so our V6 puts out.