Make sure the float and arm isn't rubbing the side of the tank or getting stuck on a baffle.
Measure the depth of your tank and make sure it's the same as the full range of travel for the float. Bend it or lengthen it as required and see if it records correctly.
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)
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