Quote:
Originally Posted by steve25
With a NA 400 cid street motor if its 500 plus hp your looking for such a motor can be built , but it will be very undrivable !
I would put the limit at 475 hp to be realistic.
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Totally wrong we've had a 500+hp 400 on the street for many many years and it's very streetable. Would be even more street friendly with a good set or aluminum heads vs our crappy iron heads.
But this thread is not about 400s making 500hp