so i am dealing with a 73 motor to start with. still stock bore . we freshened it up a little with new bearings, rings, voodoo 60203 cam & lifters, a 850 holley with a air gap intake & hooker 2241 headers to cover most everything. re did guides & seals & replaced the springs to match the cam & a hei dist. anyone care to give me a idea on what kind of hp i will gain on that motor? i believe stock it was 280 hp/360tq. thanks