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| | | Forums66 Topics128,135 Posts1,056,422 Members48,441 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2017 Posts: 308 'Bolter | | 'Bolter Joined: Jan 2017 Posts: 308 | My new project. Has 1954 235 with 3835913 head, Saginaw 338935 4 speed and open drive line. Can't get info from PO. Has like new 12 bolt rear end. rear end numbers 12345 lower 6x890 upper x= can't read. any idea if this is 3.07 or what? Thanks BIll
Last edited by 49 3100; 09/25/2018 8:16 PM.
| | | | | Joined: Jan 2002 Posts: 2,841 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,841 | To determine what size gears you are running in the back, you can simply jack up the back end and rotate the gear driven wheel to see how many revolutions it takes to turn the drive shaft one complete rotation. This will give you an approximate idea.
Craig My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
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