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Old 02-10-2005, 02:55 PM
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Question Which 8.8 diff is more desirable?

I'm considering a 8.8" IRS Ford diff from either a 92 Lincoln Mark 8 or a 96 T-Bird for a Cobra replica projects. Both have disc brakes and both require narrowing and look similar. The control arms, diff housing and axles have different part numbers, does anyone out there know the difference and which one is more desirable?

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Old 02-11-2005, 07:37 AM
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Rear Irs

Lincoln and T-birds share the same corporate chassis..I cannot find any functional difference in the 2 myself..Now from 92 to 96 there are probably some running changes..minot changes in attacment of something that would mean something if you were replacing the assy in an existing car..

I cannot see that one would be any better than the other..just pick the one that seems to be in better condition..The 8.8 internals are the same as far as I can tell..And yeah on fords they use a lot of corporate parts and a lot of parts will interchange on fords..even tho they have different part numbers..

Good luck on your project

OMT
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Old 02-12-2005, 09:27 PM
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Thumbs up 8.8 diff

Thanks for your reply OneMoreTime, both diffs are in nice shape so I'm leaning towards the Lincoln as it has air bags and aluminum control arms.
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Old 02-13-2005, 06:33 AM
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Just a question?

Since this is going in a Cobra rep would it not require that it be narrowed..and would that not require the stock locating arms be tossed and new ones fabricated..??

Also the Half shafts will need to be cut as well...?? I think what you will get out of this is the diff center section and the uprights..Which is all fine..not sure one needs more than that....

Just something to look at..This sort of thing has been in my thoughts as something of a sporty nature is planned for the next project..

OMT
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Old 02-14-2005, 04:00 AM
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8.8 diff

Yes your right about the diff track width being to wide but I'm sure I can move the control arm mounts inboard to reduce the
total width. I have a lathe so if possible I'll shorten the stub shafts or replace them with shorter ones (from the junkyard). There should be lots of options because ford uses to different lengths on the same rear end due to pinion offset. The 2002 4 door Explorers have IRS with a track width of 59" which is only 1" wider than I need and I could solve with rim set back. I have to build a frame for the Cobra so if I have to fab a new diff frame no big deal. I wish I could afford a 2002 or newer Explorer rear end. Nice chatting with you "OneMoreTime".
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