400 big block

Vic Storm said

I am also very excited to read about this 451 build. That is the way to go since I can come up with most of everything I will need but the shop work, our little town is very limited. Will the 906(I think)440 heads bolt anto the 400 block? I have access to a nice set of those.

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Vic, the heads used on the 383, 400 and 440 were all the same. In other words you could use the 906's and 452's on all three engines along with all the BB heads. If you're going to use the 906's I'd recommend getting hardened valve seats installed (for the no lead fuel) and by the way most of the 452 came with hardened seats also the 906's and 452's had some of the best flow numbers for stock heads. Here's an article on the BB heads that might interest you. Opps sorry it's on my home computer and I'm on the road.

Terry