:?: I'm building a 360 Magnum engine for my 73 Swinger, I have a block, crank and rods, going to have the block punched .030 and decked, and follow the 300/360 cratre specs but use 9:1 Hyp pistons and the Magnum R/T heads, a Holley electric fuel pump and carb. I'm considering the R/T cam. The...