Deciding on replacement intake (318, details in post)

AJ/FormS said
I hate to flog a dying point, but the Scr of that engine with open-chamber heads, is likely not gonna exceed 8.5/1
With a lopey cam, having an Ica around say 66* the cylinder pressure might already be in the basement... like 125psi; which means the vacuum signal to the venturis is gonna be ........... um, sluggish.

If it was mine, I'd be doing a compression test ASAP.
If it really is down around 125psi, I'd be rethinking a lotta things.
Click to expand...
At least he's got the KB167's. Starting out at zero deck (or .001 below) is a good start. All the charts say 65-73cc for the 360 heads. How much compression with a .027 or a .040 head gasket? And yes, the op should do a compression test to make sure. There are a lot of unknown's here.