The "frost plugs" didn't pop because that's not their job. There are no such things as frost plugs or freeze plugs on cast iron engine blocks.

Those plugs exist to close holes in the block that remain after the sand casting process of constructing the block is completed.

Last edited by Otto Skorzeny; 03/11/2023 11:02 PM.

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)