OK GUYS IM BACK !! THANKS FOR THE ADVICES. JUST PURCHASED A ROTATING WITH A FORGED CRANK EAGLES WITH EAGLES RODS AND JE FORGED PISTONS. AS FOR AS THE TOP END I WAS THINKING GOING WITH SOME AFTERMARKET ALUM HEADS. I WAS THINKING EITHER AFR OR PRO 1'S WITH A BUMP STICK WITHIN THE 550-600 LIFT RANGE WITH A DUAL PLANE INTAKE AND A 800-950 RANGE CFM CARB SHOULD I BUY THE HEADS BARE OR ASSEMBLED? THE COMPRESSION SHOULD BE AROUND 10-10.5 : 1 FOR PUMP GAS WHAT KIND OF POWER TORQUE SHOULD I HAVE ??