YJ Suspension / Axle / Shackle / etc... help. - JeepForum.com
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post #1 of 54 Old 05-08-2013, 12:40 PM Thread Starter
RobzRidez
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YJ Suspension / Axle / Shackle / etc... help.

OK, so I finally bought my first Jeep about 5 weeks ago and am preparing to start the build. It is a 1990 YJ Islander with the 4.2l with an automatic transmission, everything appears to be stock. I spent more hours than one should on your wonderful website soaking in as much as I can. THANK YOU!

So from the info I obtained and had limited knowledge on I am ready to start my build and looking for any pointers you all can give me. Assuming this thing is stock, I have the Np231 transfer case, Dana 30 and 35 axels, and a bunch of flat springs and shocks...

I put a 1" Daystar poly body lift kit on last week, thanks to the suggestions I read. I ordered a 4" RE complete lift kit, steering stabilizer, SYE thus far. Just waiting on my quick disconnects... Need to order some shackles, wheel spacers, and drive shaft yet.

I read about the Explorer rear axle swap (8.8) and am trying to decide if I should do that while I'm at it. What years of explorers should I look for? Should I do this now why I have the rear end out or do it later? Also I see that I shouldn't go any larger than an extra inch over stock in the shackles. Any shackle comparisons or is it six one way, half dozen the other?

BTW I am not on an unlimited budget but I do have some cash set aside to do most of this work if I watch what I am doing but I know there are always extra expenses / parts that I didn't plan on. Also I am fairly handy but this is my first major build. With that being said I don't plan to do any serious off road with this rig either and want to be able to drive it, maybe an 80/20 mix. But I have already ran across a few guys out there that have come up to me in parking lots to compliment the YJ that have me thinking I'm going to love this family!!!

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post #2 of 54 Old 05-08-2013, 01:07 PM
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Welcome to the fun side! The yj guys are the best guys on JF. I'm on mobile so my response will be a bit short....

Sounds like you're on the right track. PM BERSK here on the boards for shackles. Best deal around. Any year explorer will work for the 8.8. Pre 95 is drum breaks and post 95 will get you disk breaks. Grab a front drive shaft from a Cherokee and have it cut down for your rear shaft.

If you haven't already get rid.of your track bars. It'll improve your ride exponentially. Read up on the Nutter bypass for your 4.2.

I'm on mobile so I can't see if you already have or not, but make sure you fill out your profile.

What size tires al you be running?

Oh and best advice is just keep doing what you're doing and read read read.

Good luck and welcome!

Cheers


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post #3 of 54 Old 05-08-2013, 01:12 PM
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Here's some reading on explorer axles

http://www.therangerstation.com/tech_library/Axles.html




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post #4 of 54 Old 05-08-2013, 02:30 PM
CBroughton
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why not just drop some 60's in it and call it a day? run pretty much any tire u want on them plus get the width only down fall is the weight and clearance but with a bigger tire you can compensate for that,
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post #5 of 54 Old 05-08-2013, 04:59 PM
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Quote:
Originally Posted by CBroughton View Post
why not just drop some 60's in it and call it a day? run pretty much any tire u want on them plus get the width only down fall is the weight and clearance but with a bigger tire you can compensate for that,
Unless you're running 37+ this isn't great advice.

They are too large for smaller tires offroad.

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post #6 of 54 Old 05-08-2013, 05:06 PM
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Quote:
Originally Posted by dillonjm View Post

Unless you're running 37+ this isn't great advice.

They are too large for smaller tires offroad.
And he said he's not going hardcore or doing a ton of off roaring. And tons are a lot more work than the 8.8.

Cheers


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post #7 of 54 Old 05-09-2013, 06:00 AM
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Quote:
Originally Posted by CBroughton View Post
why not just drop some 60's in it and call it a day? run pretty much any tire u want on them plus get the width only down fall is the weight and clearance but with a bigger tire you can compensate for that,
Bad advice. Not everyone is going hard core on 42's. Some people even have to keep their tires covered as per state law. just....no.


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If it has tracks, tires or tits, its gonna cause a problem.

"Everytime someone "upgrades" a D35, an angel looses its wings."

"Dizzy" - What SnoopDog would call a Distributor if he was a mechanic. I cringe every time I hear this moronic term

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Send lawyers, guns and money. The **** has hit the fan...
92, 4.0, AW4, 8.8, D30, 15x10, 37's, SOA etc, etc
92, 2.5, 30, 8.8, 4.88, Locked, Winch, 15x8, 35's, 3.5" (RIP)
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post #8 of 54 Old 05-09-2013, 08:12 AM Thread Starter
RobzRidez
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SEE that's what I'm talking about! You guys are great! Anticanman thanks for the Ford 8.8 link, good reading! Sparrows I really appreciate the suggestions and contacts. This Saturday is a "me" only day and track bar removal is planned, thanks to the information I found right here. To clear up I had planned on running 33's, again nothing hardcore.

Looking into the axle swap seriously now. Not really plan on doing enough to drop a ton in it plus I don't want the extra work for this build. Though I already have my eye on another possible project, but one at a time. I think the extra strength the 8.8 will give me should be sufficient. From the reading I think I will be looking for a 31 spline for a little better strength? Any suggestions on the disk or drum brake debate. I assume there will be extra work involved if I would switch it over to disk, worth it??

Also on this weekends list is the cleaning of the interior tub and getting it coated. Any suggestions on that?
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post #9 of 54 Old 05-09-2013, 08:45 AM
Anticanman
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All explorer axles are 31 spline. The disk brakes started in '95 but drum brakes will suffice especially if you're going to beef up a stock limited slip and you can engage said parking brake and have a little more traction off road. There are a thousand different ways to go with this axle upgrade but here are the basics:

http://www.jedi.com/obiwan/jeep/ford88.html




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post #10 of 54 Old 05-09-2013, 08:57 AM
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Quote:
Originally Posted by Anticanman View Post
Here's some reading on explorer axles

http://www.therangerstation.com/tech_library/Axles.html
I have been parusing the threads looking for a page that had complete information regarding the Ford 8.8 axle. This one was THE most complete listing that I have ever found as of this time. Very informative.

Robert.
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post #11 of 54 Old 05-09-2013, 09:30 AM
Anticanman
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Quote:
Originally Posted by remmons View Post
I have been parusing the threads looking for a page that had complete information regarding the Ford 8.8 axle. This one was THE most complete listing that I have ever found as of this time. Very informative.
Its a good junkyard guide. Worlds great for Craigslist axles too.




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post #12 of 54 Old 05-09-2013, 10:09 AM Thread Starter
RobzRidez
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Man, another great write up, had to read it twice! Still sounds like more work than I expected but might be a good experience. The center offset to the drive shaft is the only real concern I have but I have a feeling it is not all that bad.
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post #13 of 54 Old 05-09-2013, 10:31 AM
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I say try to find the disc brake Explorer axles. This shouldn't be hard as all those late 90s Explorers are starting to hit the junkyard.

I like my disc brake 8.8 because it is an added layer of protection if i break an axle (so it won't slide out) and I like the better brakes with my large tires.
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post #14 of 54 Old 05-09-2013, 10:45 AM
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Nothing to do with this thread but....I grew up in Xenia! Good to see a homeboy on here!

Mike

92YJ with some stuff done to it.
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post #15 of 54 Old 05-09-2013, 10:53 AM
Anticanman
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Quote:
Originally Posted by soonermatt View Post
I say try to find the disc brake Explorer axles. This shouldn't be hard as all those late 90s Explorers are starting to hit the junkyard.

I like my disc brake 8.8 because it is an added layer of protection if i break an axle (so it won't slide out) and I like the better brakes with my large tires.
It causes more damage sitting in there than it would if it walked out. C clip eliminators are the same concept and the combination of the two just makes for a lot of carnage. You'll bend the brake assembly up so badly that you wished you would have just swapped a spare.




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