I don't know about the TF trucks, but on AD trucks the Assembly Manual has some good diagrams with measurements that would locate the original axle centerline.

I'm sure you can buy a TF Assembly Manual from one of the vendors and get those measurements.


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...