Quote Originally Posted by rspears View Post
The '76/77 Corvettes only listed 210HP for the 350, and they weren't lying for the insurance companies in 1976/77 - that was back pre-'73 before the impacts of the oil embargo hit the market. Unfortunately the numbers quoted for the late '70's were more true than not. I'd think that your intake and headers might have added ten to fifteen HP at most, just thinking & guessing.
My 76 L48 was rated at 180 from the factory though I don't think that is what it is now.