Red Dawn Posted September 21, 2015 Share Posted September 21, 2015 I am contemplating the purchase of a used 65 riviera 3.23 posi 3rd member and gears to replace a 65 riviera 2.78 non-posi 3rd member and gears. The key word here is "used". I have been told that the teeth on the gears look fine and everything spins normally. Anyone know of a rebuild kit or parts for the 3.23 posi and gears. As I will be using this in my 56 special with a dual quad 401 and a switch pitch TH 400, I plan on keeping the dropout center from the 65 rear end. Link to comment Share on other sites More sharing options...
RockitRiviera Posted February 23, 2018 Share Posted February 23, 2018 Did u ever find a source for rebuild kit? This seems to be an oddball differential. I have a 65 GS with the posi too. Link to comment Share on other sites More sharing options...
Red Dawn Posted February 23, 2018 Author Share Posted February 23, 2018 No, unfortunately there are no rebuild kits for these old rear ends. Luckily, I have yet to have any issues with the swap. Link to comment Share on other sites More sharing options...
Ted "Wildcat65" Nagel Posted February 23, 2018 Share Posted February 23, 2018 What are you looking for - what is wrong with your positraction? Link to comment Share on other sites More sharing options...
70rivme Posted February 24, 2018 Share Posted February 24, 2018 Check out what ratechmfg.com has to offer. They supplied me all the bearings and such in a kit to swap a posi carrier and gears into my '70. Link to comment Share on other sites More sharing options...
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