I already rented a pressure tester witth 22 different adapters. Unfortunately not a single adapter is made to fit antique cars. By that I mean the standard sized radiator cap used on virtually every vehicle up to the 2000s is too large for any of the fittings supplied in the kit.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)