This lesson is for you Vic.
American Motors = Twin-Grip
Buick.................= Positive Traction
Ford..................= Equa-Lock and Traction-Lok
MOPAR...............= Sure Grip
Oldsmobile...........= Anti-Spin
Pontiac...............= Safe-T-Track
Chevrolet............= Positraction
Your in the land of MOPAR now so out with the posi stuff.