Originally Posted by SPEEDNEEDS1

I HAVE RECENTLY BOUGHT A 540 WITH A DART BLOCK, HOWARDS PRO SERIES CRANK, HOWARDE ULTIMATE DUTY RODS, DIAMOND 14.8 PISTONS, MERLIN III AS-CAST HEADS WITH MERLIN X INTAKE AS-CAST, .850-.820 CAMSHAFT, 1150 APD ALKY. CARB.

ANY IDEAS IF THESE HEADS ARE ANY GOOD IN AS-CAST FORM, THEIR WEBSITE SAYS OVER 800HP AS-CAST.

I HAVE NEVER RAN THE HOWARDS STUFF, IT ALL LOOKS GREAT, BUT LOOKS CAN BE DECIVEING AT TIMES......... ANY INPUT ON THIS WOULD BE A HELP.

COMBO IS GOING IN A FRONT SUSPENDED DRAGSTER WIITH A 6000 STALL CONVERTER. EST. 1/8 E.T. I AM HOPING FOR 4.80'S-4.90'S