And put the problem brake drum from the driver's side on the passenger side and see if it fits. If it does then you can look at the brake shoes and assembly

And if the passenger side drum fits on the driver's side, you'll know right away that the driver side drum is the problem

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)