Slant Six Build Ideas

John Martin said
I will be getting the head reworked which is a painful $1200.

I also plan on cleaning up the manifolds for sure. I will try to gasket match.

I would like to get maybe 9.0 to 1 or 9.5 to 1 compression.

Don't forget the tail end of the exhaust manifold
You can open that up quite a bit and run 2.25 inch pipe out