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Rear Diff

posted by  Walbum on  Tue Oct 19 04:20 CST 2004
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last visit: Fri Feb 29 03:47 CST 2008
[RELATED]

After more than 60k miles since V8 conversion, the 'pumpkin' (rear end) has finally given up the ghost. The car is an '86 745T with 5.0 and AOD with shift kit, solid axle, non LSD. So it shifts (ahem) rather firmly. There are over 300k miles on the car, I'm pretty sure the axle is original.

I noticed a bit of a clunk, then it seemed to freewheel, then catch. I jacked the rear wheels off the ground and turned the driveshaft by hand. The wheel spun for a quarter turn or so, then no resistance. The 'U' joints appear to be fine.

I would imagine it will cost more to rebuild mine than to buy a used one. I'm seeking suggestions as to whether I should look for a direct replacement axle which I think has a 3.73 ratio. Or maybe try to find one with LSD.
Does anyone have any other suggestions?

Thanks,

Andy Schor
Pittsburgh, PA
'86 745 5.0/AOD
'89 780 5.0/T-5






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Rear Diff
posted by  Walbum  on Tue Oct 19 04:20 CST 2004 >
  • New Rear Diff
    posted by  Michael Yount  on Tue Oct 19 11:31 CST 2004 >
    • New Rear Diff
      posted by  Walbum  on Wed Oct 20 10:44 CST 2004 >
      • New Rear Diff
        posted by  Michael Yount  on Wed Oct 20 11:17 CST 2004 >
        • New Rear Diff
          posted by  Walbum  on Wed Nov 3 10:28 CST 2004 >
          • New Rear Diff
            posted by  someone claiming to be Michael Yount  on Wed Nov 3 12:46 CST 2004 >
      • New Rear Diff
        posted by  sdodd  on Thu Oct 21 01:51 CST 2004 >
        • New Rear Diff
          posted by  Walbum  on Fri Oct 22 04:08 CST 2004 >
          • New Rear Diff
            posted by  Caveman  on Fri Oct 22 13:42 CST 2004 >


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