pulpmaker

hi, hope this is in right place.i'm new here.i bought a 79 c10 swb.i was told it's a camaro motor.but can't seem to pin point it.it's got center bolt valve covers,converted to carb,run's great.but would like to be able to tell what it is. on the ledge under alternator # vh314954.... on the block above bellhousing.. gm57lgsgi...0n the other side of block...14093638..h010..lot's have tried but few can find out what it is. thanks