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Click on image for the lowdown. 
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| | | Forums66 Topics128,139 Posts1,056,758 Members48,454 | | 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 2005 Posts: 1,048 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 1,048 | LONGBOX55
Do you know if there was another ratio produced by Chevy for those differentials, possibly a 3.38. Or is that strictly an aftermarket kit. If the 3.38 was a factory option do you know the stamped code? It would save me a lot of time jacking up old bone yard trucks to spin the tires.
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