454 rectangular port heads-open-118.0cc.IP 325cc, 2.19,1.88 valves, speedpro forged pistons floating pin 60 over,# L2399, 8.80 with 118cc heads compression I think?, roller rockers edelbrock rpm intake, 850 double pumper , msd dist. 6Al, don't know specs on cam,-hydraulic, but it sounds pretyy lumpy at idle., can't tell if there has been any porting on heads, four bolt block main, hooker comp. headers any ball park guesses on horsepower?? also The heads and the block both say Hi-perf. cast on them, is this a crate motor? block # 14D15446, T0320XAA, Heads- 6272990, any ideas on how to bump up the power?