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7 members (klhansen, edgardo, Hanks custodian, TexasJim50, stlcardinalsguy, Woodcmiami, 1 invisible),
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Mod | | | Forums66 Topics128,059 Posts1,055,820 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 2006 Posts: 33 New Guy | | New Guy Joined: Mar 2006 Posts: 33 | What appears to be a Dana 70 in my truck seems to have the BOM 603491 2, but I do not get a hit on that BOM from the Dana page. Does anyone know what it might be? The date code may be 4 1 5B2 (still pretty hard to read after cleaning). | | | | | Joined: Aug 2005 Posts: 113 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2005 Posts: 113 | markk,
What year and model of truck are we talking about? This information would make it much easier for others to assist you.
Lane | | | | | Joined: Mar 2006 Posts: 33 New Guy | | New Guy Joined: Mar 2006 Posts: 33 | It's a 1950 4100, but there have obviously been a lot of swaps along the way, so I don't think the year and model of the truck actually are any help in identifying the rear axle. Since I posted this, I've gotten some feedback from one vendor that seemed to know what he was talking about, indicating it came from a '73 - '75 International. His statment that it has a Powr-lok with 4.10 gears is consistent with what I see by spinning the wheels, counting driveshaft revolutions. | | |
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