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diff swapping sj80 to jimny.

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epitam

Joined: Mon Sep 12, 2011 2:40 pm
Posts: 157
Location: Israel

Posted: Tue Jul 15, 2014 6:21 am

Hi
I' be happy some info on diff swapping,
does 3.9 ring and pinion or the whole 3rd member will fit in 2006 jimny axle

Thanks.

sideways

az supporter

Joined: Fri Oct 29, 2010 1:53 pm
Posts: 5935
Location: Northcliffe, W.A.
Vehicle: LJs, Sierra, Jimny, Swift.

Posted: Tue Jul 15, 2014 7:01 am

No, coily 3rd member is physically larger than Jimny. Whole 3rd is different.

Jimnys did come with 3.9s. Dunno where or what model, I'l leave the Jimny guys to answer that.

Why not swap to a WT leaf Sierra front diff? 1000000x more aftermarket support than Jimny diffs and arguably stronger.

greenzook89

az supporter

Joined: Sun Sep 06, 2009 11:30 pm
Posts: 2591
Location: Ipswich
Vehicle: LJ80V-II, SJ40, SJ40T, RS415

Posted: Tue Jul 15, 2014 7:16 am

Hey epitam, if you are looking to put a locker in the front, a WT swap would be best as the parts needed to make it reliable are a hell of a lot easier to find than for a jimny diff.

Plus you can redesign the AWESOME front strut design the coilys have.

_________________

31zook wrote:

Makes me want something similar

Gwagensteve

Joined: Thu Feb 26, 2009 10:30 pm
Posts: 13001
Location: Melbourne

Posted: Tue Jul 15, 2014 8:50 am

This is all true for the front. In the rear, a coil third will bolt in. Not much help when you can't swap they front over.

epitam

Joined: Mon Sep 12, 2011 2:40 pm
Posts: 157
Location: Israel

Posted: Tue Jul 15, 2014 2:39 pm

Hi guys, thanks for the feedback.
I'm asking for a friwnd of mine that need 3.9 in his jimny.
Can i just take the 3.9 ring and pinion out of sj80 and install it in the jimny 3rd member?

tanshi

az supporter

Joined: Tue Jan 09, 2007 10:30 pm
Posts: 7719
Location: Brisbane

Posted: Tue Jul 15, 2014 2:58 pm

first are you talking about front or rear.

front. NO, they are different completely

rear yeah you can.

epitam

Joined: Mon Sep 12, 2011 2:40 pm
Posts: 157
Location: Israel

Posted: Tue Jul 15, 2014 4:57 pm

O.k so maybe i can take the rear coily ring and pinion and fit it the jimny front?

Gwagensteve

Joined: Thu Feb 26, 2009 10:30 pm
Posts: 13001
Location: Melbourne

Posted: Tue Jul 15, 2014 5:26 pm

No. Nothing except a jimny front fits a jimny front. It's unique.

Jimny, sj80 sj50, sj70 all use the same rear third with different ratios.

epitam

Joined: Mon Sep 12, 2011 2:40 pm
Posts: 157
Location: Israel

Posted: Tue Jul 15, 2014 10:41 pm

Thanks for your help!
Much Appriciate..

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