You need small diameter long tube headers and a very free flowing exhaust system.(Like dual 3 with cross over.) I would clone the cam Richard chose but with 5º more duration. 60 over Eagle forged stroker kit-forged 4340 crank-forged 4340 H-beam rods-forged -18cc pistons-1 piece rear main seal Edelbrock 355 Fully CNC'd Heads-110 combustion chamber You need a performer rpm intake and a well built Q-jet. This is my plans but I need help on two things.rocker arms and valve springs. Hey everyone! I have a 93 Gen V 454 BBC that I'm wanting to get about 800hp/700tq.

cadillac cts theft deterrent system reset 300” larger in diameter, so there should be no problem with misapplications. The camshaft is a steel roller cam, approximately 4” shorter and. Almost none of the parts carry over from previous engines. This engine is the first real departure from GM's original small block design. The new heads use non-adjustable rockers, but you can use the old 7/16th studs off of the Mark IV to re-use the roller rockers and studs on the new heads.GM Gen III/LS1/LS2/LS6 -uses “54” Prefix.

The 454 uses the same rods and pistons for Mark IV, Gen V, and Gen VI.

The stock production pick-up truck blocks are still two bolt engines but they do use roller cams.

Camworks