HELP rebuild my carter or buy new eddie ?????? 340

so i got a 340 in a 68 dart just a street car
motor was redone before i got it
sounds like mild purple shaft probley 9 to 1
stock converter

my carter needs a rebuild any one have some one they recomend???
also what size is that stock carter?
or do i just say hell with it and buy a new eddie 600ish and tune that up with elc choke