I showed a V100 PCV valve to him Pete, looks to be the interchange for this NAPA piece but they work backwards. It screws into the vacuum source whereas the L79 screws into the oil filler tube (crankcase). His needs to have the vacuum hose attach to the hose nipple side and all the ones out there seem to have the threaded side attached to the vacuum.
__________________
1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars
So the one on a 63 V8 that screws into the carb base are backwards to this one?
__________________
63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC. 1963- Pontiac top selling car in Canada
Mahone Bay, NS Still not old enough to need an automatic