HomersDouble
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| posted on 23/7/12 at 07:27 PM |
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Another Diff codes question....
Can the collective please help I.D the diff I keep tripping over in my garage?
Its a 7.5" with push in shafts and the tag reads;
91 AA 3.91
4A 2A22
I have searched past posts, but can't find a definitive answer............AA would indicate LSD but I didn't think these came with push in
shafts?
Any help much appreciated
Chris
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tims31
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| posted on 23/7/12 at 10:09 PM |
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Have a look at this link here
This has most of the codes and does suggest its the 7.5 casing.
Also have a look at the fiche' pages. Fords numbers list here
Hope that helps
[Edited on 23/7/12 by tims31]
Build: http://www.martinsfurybuild.co.uk/
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GOJO
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| posted on 24/7/12 at 08:02 AM |
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Check out this video on YouTube:
http://www.youtube.com/watch?v=i_Enyf67KTs&feature=youtube_gdata_player
Double the wheel rotation for open diff
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mcerd1
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| posted on 24/7/12 at 09:54 AM |
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it can't be a LSD with push-in shafts (at least not a ford one anyway)
3.91 should the the ratio, which would be right for a 7.5" diff (probably from a car with a 2.0 DOHC or similar ? )
the nearest 7" ratio is 3.92
if in doubt take the back cover off (no big deal, its only sealed with instant gasket stuff anyway) the ratio should be writen on the crown gear and
if not you can count the teeth
[Edited on 24/7/2012 by mcerd1]
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