Open Chamber Heads vs Closed Chamber Heads....

:eek: What to do you MEAN the Hemi head doesn't count in this debate???? The factory "race" engine from Ma-Mopar itself don't count?????
No it shouldn’t count because it wasn’t a offering to the people. Just the racers. And there not readily available to us now. Work with what’s available to us now.

Precisely my point, ALL else equal (equal compression, equal quench), I'll take the open chamber.
Can’t be done... impossible