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Unread 05-25-2013, 01:24 PM   #1
flcracker
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1992 YJ Wrangler 
 
Join Date: Jun 2012
Location: Naples, FL
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Setting up an 8.8??

While I am not ready to replace my turdy 5 with an 8.8 anytime soon, I do try to read up on stuff like this and I keep seeing how everyone is told to just pull the 35 and mock up the 8.8 in its place, weld perches on after setting the pinion angle and bolt it in. For those of us who are not ready to start messing with some of the angles and spring perch widths I saw something on musclecar tv on Spikes Powerblock when they replaced a 10 bolt rear with a 12 bolt. here is the video link and if you go to around 9:30 on this it shows how to use your old rear end to make a simple jig to weld perches and set your new rear axle up the same way the old one came out.

http://www.powerblocktv.com/episodes...aro-suspension

Is there any reason this would not be an easy way to do it assuming you are not adding a lift at the same time and just doing a straight swap of rear axles?? It seems to me that if the axle that is powering my Jeep now has no vibration issues, this would be an easier way to set the new rearend up.....

Input is appreciated if I am underthinking this at all....

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Unread 05-25-2013, 01:58 PM   #2
95YamJam
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Location: Fort Wayne, IN
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That works fine if your not changing anything else.
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Unread 05-25-2013, 02:22 PM   #3
Anticanman
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There's a difference between cars and jeeps and that's because we utilize all of our suspension travel all the time. Of course most of the hot rods use more ponies so axle wrap is more of an issue. Personally, I just like to be safe and measure each axle to the vehicle in which its being installed.
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Unread 05-26-2013, 04:21 AM   #4
lutzke21
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1994 YJ Wrangler 
 
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I found it easier to bolt the axle in place, ensure center and set the pinion angle, tack the perches, pull the axle back out and burn the perches in. Different axle with different tube diameter and a different pinion length means a potentially different pinion angle.
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Unread 05-26-2013, 05:57 AM   #5
USMCBuckWild
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1991 YJ Wrangler 
 
Join Date: Apr 2012
Location: Sneads Ferry, NC
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A jig just isn't practical for the jeep setup. Will it work? Of course! Will you more than likely have to make changes? Of course

It really is pretty simple to do. Everyone becomes intimidated at the thought of doing custom fab work. It really is very simple and alot easier than you would expect.

There are plenty of people here ho can offer you all you need to know about doing it; just ask. There are a couple phenominal write ups on aswell with plenty of pictures to help.
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