318 compression test results

I’d use a cam with less advertised duration and a tighter lsa than the 340 cam.

However, with the supply chain issues....... it might come down to what’s actually available.
Oregon Cam Grinders can regrind what he has. He already has the core. I think the old tried and true 204/214 grind would be perfect but on a 108 with maybe .450-460 lift.