It is omitted for some reason in the manual but nevertheless it does exist. Here is a picture of a 52 survivor truck that just underwent a cab off. Seem to remember GMC used a longer bed on their 1/2 tons and had a carrier being didnt they?
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IMG_3009.JPG (33.1 KB, 205 downloads)

Last edited by sstock; 11/08/2018 3:38 PM.

1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration