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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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
The ratios of standard 1955-1st and 1955-2nd 1/2 ton trucks are the same, 3.90:1 (unless you have the 55-2nd RPO overdrive rear end: it would have 4.11:1 ratio).
Also, 1955-1st 1/2 ton trucks had an open driveshaft (1954 was the last year for the 1/2 ton torque tube).
Tim
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