Breathing new life into the 318 in the Scamp!

I was thinking about the gaskets and the spot under the tight side.

Maybe if I do both, tighten the gasket and radius the tight corner of the chambers, I can keep the cc's up, but put everything where I want it.

What I don't want to do is hit ping climbing a slight grade in O/D on min octane, but I have also taken into account that any hills will be higher in altitude, so I'll have inherently richer mixture.

.039 will put the static @ 9.56:1 without any head blending. I'm beginning to think I should make a template, mark the chambers and start a radius blend the tight ends and move around if I need more. If I got 1cc out of them, that would bring static down to 9.46:1 and help flame.

What are you getting for cyl. pressure?