If the '51 GMC is the same as the '51 Chevy, you'll need two u-shaped crosspieces that bolt under the top flange of the frame, and a bar that holds the spare tire, which pivots on a rod hanging from the front crosspiece driver's side and is secured to the rear crosspiece on the passenger side. Here's a picture of the spare tire bar (lower left of the collection.) And a picture of the Factory Assembly Manual page showing the assembly.
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Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
