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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | How long is the Gear Vendors unit? If it is a foot or longer in length the resulting driveshaft would be shorter than the driveshaft used in a 1/2-ton '55 1st with open drive.
I'm not sure of the length of the Gear Vendors OD as installed behind an SM420, but given the comparison above I bet you would be fine with a single piece drive shaft as long as it was of similar diameter to that used in the 1/2-ton.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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