Hey every one hows it going? Does any one happen to know the chevy 12 bolt rear end housing lenghts that came out of the canadian oldsmobiles? I have a 68 cutlass s and i have a 67 posi rear end out of a 67 cutlass and i've herd the 67 canadian housing is shorter than the 68 canadian housing. both cars are from canada and have the chevy 12 bolt. thanks for reading.