I currently have a 355 chevy sb with 600 holley w/ vac sec, performer intake, world products sportsman II 64 cc cast iron heads, crane energizer 3/4 race cam w/ .470 lift and 222 degree @ .05, and some entry level headers. im guessin about 360 hp? What would your guess be? Any good power adders that wont break the bank? Thanks guys!