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Old Mar 16, 2006 | 09:36 PM
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Broke_Okie's Avatar
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Dif identification?

I have my 3rd member out , it is out of a 71' F100 4x4. I have it sitting on my bench because I am installing a powertrax locker in it. The directions say If your vehicle has a limited- slip differential, it will be necessary to purchase a standard differential case assembly,cross pin,retaining pin, and side gear thrust washer for your axle. The tag from my rear dif shows that it is a limited- slip I believe because ...it reads 3L50 9 . 3363a. But how do I tell by looking at the third member ? I have it on the bench and want to know if I can tell if it is limited-slip or not by looking at it? The tag could have been put on by the smart *** kid I bought the truck from years ago. Can anyone help me on this? Thanks
 
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Old Mar 16, 2006 | 11:17 PM
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Do a google picture search or find a manual at the library. Or find an open diff and if it looks way different..................
 
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Old Mar 17, 2006 | 10:44 PM
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thanks got it ...it is a limited slip dif ..I just bought a detroit for it instead so it does not matter anyways.Thanks
 
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Old Mar 18, 2006 | 05:27 PM
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If you spin one axle with your hand, the other one should spin the same way if its a Limited Slip. If its an open diff, the axles will spin in opposite directions.
 
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