SMALL BLOCK HEADS

yellow rose said
The SBC intake port is better than the SBM port. The difference is the valve angle. Port for port the SBM is weak there too.

sorry your wrong do your

yellow rose said
The SBC intake port is better than the SBM port. The difference is the valve angle. Port for port the SBM is weak there too.

I guess its were you get your info from my head testing shows 212-220 on mopar J casting intake and on fuelie 292 heads i get 190-206 averages ill believe my stuff thank you