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Unread 02-09-2014, 04:47 PM   #91
rykemc
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1988 YJ Wrangler 
 
Join Date: Jun 2011
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Quote:
Originally Posted by jepp View Post
This is a very informative thread about the 8.8 upgrade and will very much help people considering the axle change. I do have a question that I can't seem to find an answer for, I see from this info that ford has an 8.8 with 3.08 ratio, YJ has a 3.07 will a 3.08 rear and 3.07 front work without problems in our part time 4 wheel drive?
Yes.

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Unread 02-09-2014, 05:27 PM   #92
linusb
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If you are going to the trouble of upgrading rear axle - the presumption is you are running bigger tires too.

Get a 4.10 geared 8.8 and find a factory front YJ axle from a 4 cyl geared 4.11. That will be decent gearing for anything from 32-35 inch tires. With 33's being about ideal.
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1994 YJ Wrangler, 4.0, AX15, NP231, 35x12.50x15 BFG KM2s, 4" RC lift, 1" lift Boom Shackles, 1" BL, 4.10 gears, 8.8 LSD in rear and D30 Aussie Locker in front, on-board air conversion, Ramsey RE8000 winch.
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Unread 02-09-2014, 08:25 PM   #93
jepp
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1992 YJ Wrangler 
 
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as far as tires, I should stick with 31s, My YJ is a renegade with all the plastic trim and I don't want to damage it if I can keep from it, so it is pretty much a mall crawler. I am happy with the 3.07s and really don't have any need for lower gears or bigger tires.
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Unread 02-09-2014, 08:56 PM   #94
linusb
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1994 YJ Wrangler 
 
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Why are you putting in an 8.8?
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1994 YJ Wrangler, 4.0, AX15, NP231, 35x12.50x15 BFG KM2s, 4" RC lift, 1" lift Boom Shackles, 1" BL, 4.10 gears, 8.8 LSD in rear and D30 Aussie Locker in front, on-board air conversion, Ramsey RE8000 winch.
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