Its hard to respond to this without more info. I know the bellhousing crossmember on an AD truck is different '47 to '53 versus '54 and '55 1st.

On the earlier trucks the mount pad is horizontal and on the later trucks it is angled. You need to correct bellhousing to match your crossmember.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...