Studebaker owner of McCullough (Paxton) always used blow thru carbs mounted directly on intake manifolds mostly in pressure boxes a few Avanti pressure carbs . ALLWAYS with pressure relief valve on top of carb in case of backfire ! You do not want a pressurized fuel /air mixture backfirng thru the blower ! That reason NIXES suck thru ! 8.5/1 pistons worked fine for them but all their v 8s had forged crankshafts .