I figured I should have a degree wheel instead of paper substitutes.

Pistons cleaned up.

Intake manifold flange surface wasn't so great (buggered up), so I resurfaced it.


Piston to valve radial clearance is way too close.

After some medium butchering with a carbide rotary tool and some sand paper rolls, there is about 0.070" clearance.
Exhaust:

Intake:
