After '59 apparently there were no more gravel roads and no more wash boards over which GMCs operated. If it was a good idea that worked I wonder why GMC dropped it.
1951 3800 1-ton "Earning its keep from the get-go" In the DITY Gallery 1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.