Based on the few pictures of cast iron glides I have seen, I am thinking they mounted in a traditional way, crossmember to tailshaft. There doesn't seem to be a place to put mounts on the bell housing.
1959 Apache 3200, Standard Cab, Big Window, Fleetside, 235/3spd, Original Paint
1964 C20 Standard Cab, Fleetside, 283/Power Glide, A/C, Pwr Steering, Pwr Brakes, NoSpin | 
