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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!
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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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