I assume that you have a 59° tall deck block you're using?

In my opinion there are a lot of better heads out there then the b1-ba. I would even venture to say a fully ported set of Edelbrocks may even be better/as good as a set of fully ported b1-ba heads.

The MC stuff is suppose to be better, but I haven't ever heard of or seen any out there that run all that great.

Here's an old post with some info...

https://board.moparts.org/ubbthreads/show...t=1#Post3074248