Jack the rear-end up and turn one of the wheels. If the other wheel turns the same direction it is posi. If it turns the opposite direction or not at all it is non-posi.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.
