I looked up the specs on the Spectra 8108. Lots of useful information on their site including installation instructions and a chart with specifications for all fuel pumps for any application. www.spectrapremium.com

It is a typical universal fuel pump that runs continuously when power is applied. That means it pumps continuously when power is applied.

It should be connected to the run circuit of the ignition so that it automatically shuts off when the ignition key is switched off.

6V

3.9- 6.4psi

5A draw

One of our AI overlords says that the fuel pressure specification for a 1954 GMC 302 is 3.0 - 5.0 psi. If this is accurate, then the Spectra 8108 might over-pressurize the needle valve in the carb and cause flooding

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)