hi guys im currently gathering parts to build a 327 i have a 1965 sj block with crank and cast pop up pistons and a warner super t10 5 line trany i would like to run a solid lifter cam prob a copy of the 30 -30 . now to the question i have a set of untouched 1963 461X heads but idk if i should use them or sell them and get new estreet im looking for atleast 400 hp and any tips on cam and intake would also be nice lol thanks