FULL DYNO RESULTS-SPEEDMASTER CNC vs BRODIX DRAGONSLAYER AS CAST. CAN THE MORE EXPENSIVE, AS-CAST, BRODIX DRAGONSLAYER HEADS COMPETE WITH THE LOW-BUCK, FULL-CNC PORTED SBC HEADS FROM SPEEDMASTER? IS THERE A DIFFERENCE IN PRICE? IS THERE A DIFFERENCE IN PERFORMANCE? WHICH WOULD YOU PICK? BTW-THE LEAD PHOTO IS A CNC BRODIX HEADS (JUST A BETTER PHOTO).