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early twin grip problem |
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1970390amx 
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Joined: Jul/11/2008 Location: colorado Status: Offline Points: 3314 |
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 Topic: early twin grip problemPosted: Jan/16/2015 at 1:31pm |
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I am working on a scrambler diff for a club member that the original twin grip carrier was removed. He has found a carrier dated 12 of 69. This would make it a 70 model year part. It is missing the rubbing block inside. The person he bought it from tells him it is not used on 70 model year cars and will be fine. I dont see a way to set end play without the rubbing block unless you use aftermarket axles. Any feed back?
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1970 390 4speed Bittersweet shadow mask AMX
1970 Amx missing most everything, or in a box |
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kirkwood
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Charter Member Joined: Jun/28/2007 Location: Fort Wayne, IN Status: Offline Points: 6566 |
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Posted: Jan/16/2015 at 1:56pm |
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I think they might have stopped using it when they went to the one-piece design, maybe that is what he is thinking? Or he is thinking that you don't need it when running 1-piece axles.
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jpnjim
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Joined: Nov/25/2007 Location: New England Status: Offline Points: 2752 |
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Posted: Jan/16/2015 at 3:07pm |
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I believe the block is to set the wheel bearing preload Mopars use the same setup, when I went from a limited slip to a spool in a Mopar Dana 60 I switched to "Green" non adjustable sealed wheel bearings at the same time so I didn't need to use the spacer block any more. |
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71 P-code 4spd Javelin/AMX
some Jeeps and some Fords |
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jeep5
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Joined: May/13/2012 Location: Old Forge,PA. Status: Offline Points: 23 |
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Posted: Jan/26/2015 at 7:14pm |
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is it a one piece or two piece carrier?
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jeep5,73 cj5 304 .73cj5 locked,lifted,t-18, 232cid,35s, 6 point cage. 51cj3a,79 trans am 383 strokerrrr! black on black,t toped. 66 Rambler Rogue 318 worked.727 worked, rear 69AMC20 one piece axle
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jeep5
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Posted: Jan/26/2015 at 7:27pm |
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just took a two piece carrier apart and it had two buttons and the roll pin in it.
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jeep5,73 cj5 304 .73cj5 locked,lifted,t-18, 232cid,35s, 6 point cage. 51cj3a,79 trans am 383 strokerrrr! black on black,t toped. 66 Rambler Rogue 318 worked.727 worked, rear 69AMC20 one piece axle
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1970390amx
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Posted: Jan/26/2015 at 7:49pm |
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It was a two piece carrier and was missing the two buttons inside. My problem was the owner of the carrier was told it did not need them. So I was kind of stuck between two people. It does need them and I found out that Chrysler uses basically the same power lock carrier in there 8 3/4 diff. Difficult pieces to find for an AMC but easy to find for Chrysler and they are the same part.
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1970 390 4speed Bittersweet shadow mask AMX
1970 Amx missing most everything, or in a box |
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jeep5
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Posted: Jan/26/2015 at 8:13pm |
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how soon do you need the buttons? I am ordering one pieces axles and if everything works out I won't need the buttons. I could mail them to you when i am sure every thing is good. I'm looking at two week before everything is together. maybe a week
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jeep5,73 cj5 304 .73cj5 locked,lifted,t-18, 232cid,35s, 6 point cage. 51cj3a,79 trans am 383 strokerrrr! black on black,t toped. 66 Rambler Rogue 318 worked.727 worked, rear 69AMC20 one piece axle
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jeep5
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Posted: Jan/26/2015 at 8:21pm |
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PM me if you need the buttons
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jeep5,73 cj5 304 .73cj5 locked,lifted,t-18, 232cid,35s, 6 point cage. 51cj3a,79 trans am 383 strokerrrr! black on black,t toped. 66 Rambler Rogue 318 worked.727 worked, rear 69AMC20 one piece axle
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401MATCOUPE
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Posted: Jan/26/2015 at 8:32pm |
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A two piece carrier MUST have the two buttons if you are running factory axles. If running a one piece axle they get removed...sounds like "jeep5" can hook you up. The buttons commonly fall out when the carrier is removed or a single axle is removed. They are held in by a small roll pin and when the pin breaks they are no longer held in place. Like "kirkwood" said the one piece carrier no longer uses the two buttons, the axle ends contact the center pinion gear pin.
Hope this helps
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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Peter Marano
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Posted: Jan/26/2015 at 10:24pm |
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A slight correction. The one piece differential twin group and the 'open' differential use a thrust block.
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