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Click on image for the lowdown. 
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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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#40095 03/23/2005 1:02 AM | Joined: Jul 2002 Posts: 165 'Bolter | | 'Bolter Joined: Jul 2002 Posts: 165 | That 590474 case is the nonsyncro 4 spd. it was used 1931-47. 1948 is the first year for the SM-420.
Learning to shift it will take pratice and going slow between shifts. | | |
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