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Mod | | | Forums66 Topics128,049 Posts1,055,741 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!
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| | | Joined: Nov 2007 Posts: 25 Apprentice | | Apprentice Joined: Nov 2007 Posts: 25 | im looking for ring and pinion set and was just wondering what the stock 47-53 AD trucks back axles are called,are they just chevy 12bolt or something else | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | What size truck do you have?
I don't know for sure what you call them but they are GM made axles.
Don't plan on finding new gears unless you want the 3.55 gears for a 1/2 ton
Grigg
Last edited by Grigg; 12/06/2007 1:11 AM.
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | And, do any vendors now have the 3.55 set in stock at this time? | | | | | Joined: Oct 2007 Posts: 231 Shop Shark | | Shop Shark Joined: Oct 2007 Posts: 231 | sorry its a 49 3100 a 3.55 was about what i wanted anyways,was going for a 3.42 but close enough,have any of you switched to theses gears and if so what did you buy em for
Thanks | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | Sounds like you are under the impression that there are lots of gear choices for these old trucks, and that they are readily available. You will find this is not true. You are in luck because you have a 1/2 ton, and the demand is such that aftermarket fast (3.55) gears were made, and may still be. here is a tech tip on installing them http://www.stovebolt.com/techtips/rear_end/index.htmlAnd where to get them http://www.patricksantiquecars.com/Grigg | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | You might want to ask if the 3.55 gears are in stock and indicate that you do not want to be charged until the gears ship to you. | | |
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