Monte Jim Posted September 29, 2015 Share Posted September 29, 2015 This came extra with my latest project. Did these come in 1970 Monte Carlos Quote Link to comment Share on other sites More sharing options...
Monte Jim Posted October 15, 2015 Author Share Posted October 15, 2015 Thanks for all the input 1 Quote Link to comment Share on other sites More sharing options...
MCfan Posted October 15, 2015 Share Posted October 15, 2015 Thanks for all the input What is your photo of, Jim? I'm sure if anyone recognized the object in your photo as being associated with a '70 Monte Carlo they would have replied. It's fairly common knowledge that the original axle ratio code is stamped on the front side of the passenger end of the axle housing. I've replaced the rear wheel bearings on my '70 12 bolt, 3.31 positraction rear end and not see anything like what you showed in your photo. Maybe you could be more specific? 1 Quote Link to comment Share on other sites More sharing options...
Jason72 Posted October 15, 2015 Share Posted October 15, 2015 That is a posi carrier. The part the ring gear bolts to 1 Quote Link to comment Share on other sites More sharing options...
Jason72 Posted October 15, 2015 Share Posted October 15, 2015 as far as I can tell, eaton 12 bolt 1 Quote Link to comment Share on other sites More sharing options...
Monte Jim Posted October 17, 2015 Author Share Posted October 17, 2015 Thanks guys. Quote Link to comment Share on other sites More sharing options...
Monte Jim Posted October 18, 2015 Author Share Posted October 18, 2015 How can you tell it is a posi housing? I might try to use it on one of my projects. Quote Link to comment Share on other sites More sharing options...
Jason72 Posted October 18, 2015 Share Posted October 18, 2015 In the pic you posted the parts at 9:00 and 3:00 are clutches. Open differentials do not have those. Quote Link to comment Share on other sites More sharing options...
FASTSS454 Posted January 3, 2016 Share Posted January 3, 2016 4 series posi for 12 bolt 3.90 and up gears Quote Link to comment Share on other sites More sharing options...
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