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Old 11-02-2012, 05:19 PM   #1
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1990 YJ 8.8 upgrade

Alright, so I am going to try and keep this blog updated. I have a 1990 YJ with a 4.0 HO (1992 Cherokee), AX-15 with NP 231 (1998 TJ). I am currently running 33s on the YJ, and plan on staying with 33s.

Two days ago my spider gears blew up at 55 mph and destoyed my little Dana 35. I got lucky and found an 8.8 from a 1997 Explorer Eddie Bauer. I am only spending $100 on the 8.8. Axle code D2 equals 4.10.

I need some suggestions on the best conversion kit.

I know there is ALOT of information out there about this swap, but all that info is a little over loading.

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Old 11-02-2012, 09:56 PM   #2
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I just did the swap on my 93. The first question is are you staying spring under or going spring over? You use different perches depending on which one.

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Old 11-02-2012, 11:48 PM   #3
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Originally Posted by gorilla_skater
I just did the swap on my 93. The first question is are you staying spring under or going spring over? You use different perches depending on which one.
News to me.
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Old 11-03-2012, 08:56 AM   #4
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I had not heard about needing different perches. I am going SOA.
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Old 11-03-2012, 10:23 AM   #5
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Get the Ruff Stuff simple swap kit. It is beefy!
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Old 12-02-2012, 03:32 PM   #6
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I ended up using the knowheretojeep.com install kit. It came with everything you need. The kit is easy to use if you can weld, or know someone that can weld. I went for a ride today and everything is awesome. I pulled the O-ring on the brake proportioning valve with excellent stopping power. The 4.10 is an excellent upgrade too. I just need to find a 4.10 front end now.
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Old 12-02-2012, 06:15 PM   #7
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Quote:
Originally Posted by Squirrel cage View Post
Get the Ruff Stuff simple swap kit. It is beefy!
I used the Rubicon Express kit. Same deal really... has everything you need.

Denis
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Denis A. Baldwin
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1991 YJ 99 Vortec 5.7L, SM465, NP205, 14 Bolt Rear, Dana 60 Front, 5.13 Gears, Detroit Lockers, 395/85R20 46" Michelin XML tires on 20" XD Wheels, Cherokee Offset Springs (10" front to back stretch total), Bilstein 5150s, 1in. BL, custom cage, Warn M8000, Double D Dash/OHC, 4Low Front Stinger Bumper, DirtWorx Rear Bumper WTC, Tube Fenders, Comp Cut, 1 Ton HD Kingpin High Steering and PAID FOR.
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Old 12-03-2012, 02:40 PM   #8
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If you search it out you can find what you need. There was a post recently with a link to a fab shop making everything you need. They had a good product with good reviews. Sorry I didnt save the link, figured I could find it again.

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