No to the full dish, use a D-shaped dish or reverse dome so if you now or later use a head with a squish area it can work.

www.theoldone.com Somewhere in there he talks about using a supercharger on an 11.3:1 engine, something like that. If you have good combustion chamber dynamics, the engine's octane requirements go down.

R.

Last edited by dogdays; 05/12/16 07:05 PM.