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Mod | | | Forums66 Topics128,186 Posts1,057,320 Members48,469 | | 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: Nov 2004 Posts: 338 'Bolter | | 'Bolter Joined: Nov 2004 Posts: 338 | I picked up a 12 bolt last weekend for my 40 3/4 ton.
I cracked it open and found out that it has 3.07 gears. This is great luck since I can use a Saginaw behind my 292 rather than figuring out an o/d.
But there's this oil tube that feeds into the top of the center section. What is that for?
Obviously all of my old 40 torque tubes didn't have anything like that. | | |
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