I've picked up an oval port A14 head (no water galleys to carb manifold) and the rear water ports have corroded through too close to the cylinder.

I'll probably take the head to get sliced to use as research into porting and flow.

How do they cut these normally? A drop saw sounds a bit rough, can they be laser cut?

I need a clean crisp cut to show wall thicknesses throughout.

I plan on drawing the head in sections for the benefit of other members so any advice would be greatly appreciated.

I would assume cuts through the ports would be the most valuable sections, agree??