AMC 20: Open or Trac-Lok -
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post #1 of 2 Old 08-02-2011, 10:02 PM Thread Starter
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Location: San Antonio
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AMC 20: Open or Trac-Lok

I have taken the differential cover off and im not sure it i have the open or trac-lok. Can someone post a picture of the two so i can see the difference. I have a 79 CJ5 and it has the AMC 20 narrow axle. I have lifted the rear up and turned one wheel, both spun the same direction. But i put it in gear with the jeep on and i was able to stop one of the tires while the other continued to spin. I want to make sure i dont have the true-lok before buying an Aussie locker for it.

Does anyone have anything they dont like about the Aussie locker for the AMC 20?

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post #2 of 2 Old 08-03-2011, 06:17 AM
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1971 CJ5 
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Location: Eagle Point
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Google images.
The Trac Lok has squared shoulders on the carrier while the open unit is rounded.
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amc 20 , differential , open differnetial , Trac-lok

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