Building an 800hp blown engine for a 73' mustang. Using a 4.125 bore Dart block with a 9.2 deck ht. and Cleveland mains. The crank is a forged 3.75 stroke with 6.00 forged rods and forged custom pistons. The heads are Air Flow dynamic (AFD) aluminum 4v cleveland type with 2.192 intake and 1.74 exhau...