My stock 1950 AD can and does sit in rush hour traffic on a weekly basis in 90+ degree heat and never exceeds 185 degrees. I don't have overheating problems with my 1956 Cadillac under the same conditions, either. It too, has a 4 blade fan.

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)