OR ANY ONE ELSES ADVISE. I HAVE A FRIEND WHO BLEW THE MOTOR IN HIS 37 FORD DRAG PICKUP. HE IS NOW STARTING ANOTHER MOTOR BUT HE WAS ASKING ABOUT HEADS. HIS QUOTE(.700 LIFT ON THE CAM AND 1968 HEADS, BLOCK BORED .100 OVER AND THE REST IS ALL 460 CRANK ,TRW CONNECTING RODS) HE WANTS TO GO TO AN ALUMINUM HEAD NOW TO SHED WEIGHT. WANTS TO KNOW WHAT HIS BEST CHOICE WOULD BE. HE CLAIMS 9.90 IN THE 1/4 MILE AND IT IS ONLY USED FOR THAT. THANKS FOR THE INPUT. SCS