Maybe this will help?
A better and clearer picture of the distance from the cab to the rear fender may help.
The cabs, except COE, can be used on other frames.
Attachments
1954 GMC VIN 01.jpg (36.9 KB, 118 downloads)

Last edited by buoymaker; 04/29/2021 1:18 AM.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."