Cut the dome completely off (so a to make a flat-top pistons with valve reliefs) and you will have 11.25:1 (11.6:1 with zero decked block). This would work excellently with your camshaft.

For street driven/occasional strip, consider a Weiand Stealth intake for this build. Holley List #4781 850 cfm minimum; Holley 950HP would be really nice.

Paul