Ported Magnum Heads, Pushrod Pinch Removed

PRH said
I’d be fine with that.
But I have to believe there’s a flow bench within a reasonable drive from Columbus, Oh.

What intake manifold is that?

Im working on finding someone with a bench.

Intake is an M1 single plane. P4532851
its been port matched and i converted the carb pad to a 4150 flange.