Timing not set correctly - too far retarded.
Wrong sized tires - too small diameter
Under-inflated tires
Poorly functioning carburetor
Worn out engine
Brakes dragging
Rear end gear ratio?

Last edited by Phak1; 09/29/2022 7:11 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)