Might look a little odd having a smaller spare tire on there when running a taller tire IMHO. a 650-16 spare fits my 53 factory sidemount and it a tinge over 29" unloaded diameter.
1953 Chevrolet 3100261 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 GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
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