buy the book. there is another and i'll get the name but it is written by hugh mcsomthin. i'm using stock replacement forged pistons in a 292. stock rods with new bolts and a reworked stock crank. camshaft is by comp and is 114 lc. dur @50 is 218 int and 212 exh. lift is 521 and 501. i am using a turbonetics 62-1 turbo. tom