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07-05-2009, 02:52 PM
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#1 (permalink) | |||||
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Registered User
Join Date: Oct 2008
Location: Belmont, NC
Posts: 91
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FJ80 axle questions
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www.4x4grace.com |
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07-05-2009, 07:02 PM
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#2 (permalink) | |
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Registered User
Join Date: Nov 2006
Location: Tinley Park, IL
Posts: 699
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ih8mud.com
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Let me tell you what Melba Toast is packin' right here, all right. We got 4:11 Positrac outback, 750 double pumper, Edelbrock intake, bored over 30, 11 to 1 pop-up pistons, turbo-jet 390 horsepower. We're talkin' some muscle. Quote:
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07-05-2009, 07:44 PM
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#3 (permalink) | |
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Registered User
Join Date: Oct 2008
Location: Belmont, NC
Posts: 91
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Quote:
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www.4x4grace.com |
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07-27-2009, 05:43 PM
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#4 (permalink) |
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Registered User
Join Date: Jul 2009
Posts: 3
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Go with the portaled Volvo axles....
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07-27-2009, 07:13 PM
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#5 (permalink) |
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Contributing Member
Join Date: Apr 2004
Location: Boulder, Colorado
Posts: 4,887
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What exactly did you want to know?
They are strong. 5" birf instead of the 3.5 in mini trucks. If you find the right years, the rears are Full Float with disk brakes. Should handle 37" tires stock just fine. To be safe, upgrade to longfields in front, and poly performance chromo shafts in the rear. Both front and rear came with electric locking differentials on some models. Both front and rear have offset diffs to the passenger side. Meaning, if you have a center drop t-case, and you drive on the road, you are going to get driveline vibrations pretty bad if you use the rear axle. I can't remember what drop the XJ's are in the front, but I thought they were passenger. 63" WMS to WMS in the front, 62.5 in the rear, IIRC. Front is a high pinion (30% stronger) 8" diff, rear is an 8.875" regular diff. The rear is really strong. Front high steer can be done with OTT arms (require machining at OTT= have to send your knuckles out) and leaf springs. Slee high steer requires links as leafs will not fit. Figure 6-700 for the steering. More can be found on IH8MUD, and Pirate.
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1987 Mutant 4runner|Slightly Modified|Lacking general build direction -Lifts and Tires look cool at the Mall, Lockers and Gears look cool on the trail. -Internet Nice Guy Last edited by AxleIke; 07-27-2009 at 07:14 PM. |
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08-13-2009, 08:57 PM
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#6 (permalink) |
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Banned
Join Date: May 2009
Posts: 28
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great axles to bad jeep doesnt use them any more. I do have extensive info on the type of lube to use in the enclosed knuckle if interested I will elaborate further
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08-13-2009, 09:32 PM
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#7 (permalink) |
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Contributing Member
Join Date: Apr 2004
Location: Boulder, Colorado
Posts: 4,887
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Jeep used FJ80 axles? Find that pretty hard to believe.
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1987 Mutant 4runner|Slightly Modified|Lacking general build direction -Lifts and Tires look cool at the Mall, Lockers and Gears look cool on the trail. -Internet Nice Guy |
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08-14-2009, 11:09 AM
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#8 (permalink) |
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Banned
Join Date: May 2009
Posts: 28
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enclosed knuckle differential
the enclosed knuckle diff was used by Jeep, International,GMC, Ford, Chevy,Dodge, The design was then sold to Toyota all built by Dana corp the replication by Toyota is so close parts are interchangable. These differentials are nothing new they been around for 70 years.
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08-14-2009, 09:27 PM
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#9 (permalink) |
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Contributing Member
Join Date: Apr 2004
Location: Boulder, Colorado
Posts: 4,887
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Cool!
I'm always eager to learn new things. For my own amusement and piqued curiosity, would you mind sending me a few links so I can learn more? Thanks!
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1987 Mutant 4runner|Slightly Modified|Lacking general build direction -Lifts and Tires look cool at the Mall, Lockers and Gears look cool on the trail. -Internet Nice Guy |
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08-15-2009, 09:08 AM
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#10 (permalink) |
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Banned
Join Date: May 2009
Posts: 28
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more info on enclosed knuckles
Axleike, send your e-mail adress and I will forward scans of shop manuals and a flyer on the proper lube. I am not computer savy enough to post the info because evidently it needs to converted to text to post on this here website.
check out militaryvehicles@krause.com a fellow by the name of Steve Turchet wrote an article on this subject I have e-mailed him my info also there are postings on IH8mudd in 60 wagons under steering knuckle lubracant that are very enlightening on this subject granted it has a negative vibe but I am trying to tell guys something they dont want to here. thanks Frank |
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| Tags |
| 80, 91, arms, axle, axles, codes, cruiser, fj, fj80, high, jeep, land, pinion, steer, toyota |
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