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  #1  
Old 04-11-2009, 02:20 PM
fordsucks7 fordsucks7 is offline
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Default 8 3/4 or the 9 3/4

okay i just bought this from a guy and he said it came ou tof a 1974-1980 power wagon or a ramcharger. he said 3.23 gearing and its a posi im like okay got home tried to look up the numbers and cant find squat so i need some help findin it. oh by the way its a 9 3/4 "dodge"? one sping on each side?
23258
4137447

?
3723142
3.21 ?
37 80 17
and i have a 1966 sport fury that right now is just stockish so i wanted to slap a posi under there.
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  #2  
Old 04-12-2009, 11:10 PM
dave5711 dave5711 is offline
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It's not a 9 3/4.

That year of vehicle would have a 8 1/4 or a 9 1/4.

9 3/4 is the dana 60. by those years only 3/4 or 1 tons got dana's. It would be a full float version.

It is a common misconceptiuon/myth that the the 9 1/4 is a dana of some kind or even the 9 3/4 dana 60, when it is nothing of the sort.

There are some good pics in the archives to id the diff by the cover.
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  #3  
Old 04-14-2009, 01:05 AM
Tarrbabe Tarrbabe is offline
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Question Okay.......

I have to ask. Is the 9 3/4 a Dana 60? This is NOT what I have always been told.
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  #4  
Old 04-14-2009, 01:37 AM
dave5711 dave5711 is offline
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Every 9.75 ever found in mopar was the dana 60. Used in the early muscle cars, and the full float versions in the trucks.

Ford has a 9.75 in it's current F150's but ti is a ford diff, and not a dana.
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  #5  
Old 04-15-2009, 12:59 AM
scredneck scredneck is offline
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This might help.
Attached Images
File Type: jpg mopar axle.jpg (57.8 KB, 11 views)
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  #6  
Old 04-15-2009, 01:37 AM
451Mopar 451Mopar is offline
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Probbably a 9-1/4" corporate rear axle, they were pretty common in late 1970's to early 1990's trucks.
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  #7  
Old 04-15-2009, 02:17 AM
Tarrbabe Tarrbabe is offline
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Cool My mistake.................

The 9 3/4 is the Dana 60. Bust a gut and you won't break it unless you go beyond what it is designed for.
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