Originally Posted by Rusted Nut
Does your engine have a canister filter? My 55.2 235 has the canister filter and takes 6 qts of oil to bring to the full mark. My dipstick matches the dimensions in Gdads51 Dipstick and Tube info link. I sucked out a little over a quart of oil from the canister after removing the filter.

Only 5 quarts of oil remain in the pan. The 6th quart stays in the canister. The dipstick should only measure 5 quarts.

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)