The temperature difference between the upper radiator hose inlet and the bottom radiator hose outlet should be about 20° to 30° if the radiator is doing its job properly.

Last edited by Otto Skorzeny; 09/07/2026 1:45 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)