Shrunk it down, blew it up.
Marked the body mount locations.
Passenger side same as Driver's side.
3 and 4 is where the wood blocks are used.

Jim Carter Before 54
In 54 55 1st the rear frame arch was flattened out to accommodate the deeper taller bed.
I think this also applied to Panel truck and Suburban frames.

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panel suburban frame.jpg (291.26 KB, 247 downloads)