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| | | Forums66 Topics128,069 Posts1,055,896 Members48,428 | | 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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| | | | Joined: Jun 2014 Posts: 41 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2014 Posts: 41 | Can't find a decoder for axle codes. My '49 3600 has the code "GG427" Any ideas? Drive shaft turns about 2 1/4 turns per one revolution of the wheels.
Thanks | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | don't think there's a 'decoder' for axles, but look at the 49 info kit here, and find the 48-51 shop manual here, both of which will give the ratio for a 3/4T truck - probably 4.56 or there about Bill | | |
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