Not Ranked
One of the ways to make a high HP engine streetable is to keep the big HP numbers in the higher RPM range. That way you will only be using a managable HP amount on the street by keeping your RPM below 4500. If you need the big HP, go to redline. You do not need or want 500 HP at a lower RPM. The car then has more of a on/off personality. Smooth power application is much better on the street.
A 351 or a 408 can be made as reliable as the parts you use to build it. 100,000 miles and big HP, no problem. But any engine, supercharged or not, that you keep in its HP range is not going to last as long as one driven moderately. And as a whole, forced induction is harder on an engine.
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