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Click on image for the lowdown. 
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| | | Forums66 Topics128,093 Posts1,056,463 Members48,443 | | 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: May 2013 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: May 2013 Posts: 51 | Having hard time reading what the numbers are on my rear axle housing any guesses?? It is on my 47 1.5 ton. I'm gunna say whoever had the punch set that day was hungover or just wanted to have fun, either way I can't figure it out [IMG]http://i830.photobucket.com/albums/zz228/jhchevy51/20150410_183420_zpsqy7hn6rc.jpg[/IMG]
1947.5 Chevy 4100 red primer
1951 Chevy 4400 grey primer
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Hard to say why it's stamped like that. However, the "QL 0815" does come up as a legit code. QL, standard 4000 series axle built at Detroit, 0815, built on August 15th.
Bill Burmeister
| | | | | Joined: May 2013 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: May 2013 Posts: 51 | Awesome thank you any chance you know the ratio? I thought it said 0 upside down 7 then a hole bunch of haha try and read this kinda numbers, Detroit humor I guess, now that you say QL I can see that makes sense
1947.5 Chevy 4100 red primer
1951 Chevy 4400 grey primer
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 |
Bill Burmeister
| | | | | Joined: May 2013 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: May 2013 Posts: 51 |
1947.5 Chevy 4100 red primer
1951 Chevy 4400 grey primer
| | | | | Joined: Jun 2012 Posts: 1,747 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 1,747 | Thanks for that picture. Still laughing. Sorry that glimpse into employee/management relations has lasted so long. But the picture is worth a 1000 words. Good luck getting it sorted. Worst comes to worst, pull the rear cover off and count teeth. Only costs a gasket and some gear lube.
Steve H
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