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Click on image for the lowdown. 
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| | | Forums66 Topics128,050 Posts1,055,684 Members48,426 | | Most Online14,466
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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2009 Posts: 124 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 124 | i searched through the archives but i am still confused.
i have a '54 3/4 ton with the open driveline and an sm420. is there an overdrive available for my set-up? preferably something that can be found in a junkyard. | | |
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