Camshafts and Compression

You’ve just made me think of something. This engine does have Rhodes lifters in it. The type that knocks off a few degrees of duration at lower rpm. Mmmm.. I’ve verified the balancer marks, they are correct. MANY balancers are incorrect.

That’s good info on your test, thank you.
A few. Bout 20 at low RPM. No wonder you have high cylinder pressure.