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Joined: Mon Feb 09, 2015 5:35 pm
Posts: 47
Location: Inverell
Vehicle: Sierra 1988 SJ51 LWB

Post Posted: Thu Dec 28, 2017 1:50 pm 
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Hi Guys, just started to look into my SJ51 an my front left axil is busted. Just want to no the best replacement axils an where to get them. I’ll be running 33’ tyres so was thinking I’ll need to go better than standard. Cheers

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Joined: Sat Oct 06, 2012 5:49 pm
Posts: 1975
Vehicle: Sierras!! SWB and LWB

Post Posted: Thu Dec 28, 2017 5:57 pm 
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Chromo axles from LROR are the go. Probably other places you get them but these are good

http://www.lowrangeoffroad.com/suzuki-o ... p-rcv.html

However!!! They are 26 spline axles which is good because they’re stronger but they don’t fit the standard 22 spline front diff. The way around that is to
A: find a second rear diff and install it in the front, or
B: install an air locker (or other type of appropriate locker unit, unsure which ones will or won’t work for this purpose) in the rear using the ring and pinions from the front diff and put the rear in the front

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

Post Posted: Thu Dec 28, 2017 7:12 pm 
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Is an SJ51 wise track or narrow track?

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Joined: Sat Oct 06, 2012 5:49 pm
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Vehicle: Sierras!! SWB and LWB

Post Posted: Thu Dec 28, 2017 8:29 pm 
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Oh yeah, didn’t think of that!! Those axles are wide track

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Joined: Mon Sep 26, 2016 12:08 pm
Posts: 395
Vehicle: 1987 WT LWB Sierra

Post Posted: Thu Dec 28, 2017 9:55 pm 
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Depends on the SJ51. I have a WT SJ51, but it is a bit of a unicorn.

Were there NT 1.0L lwb stylesides as well? Would these be SJ51, or not, considering they're lwb, so the 1 makes sense, but sj50 was post-1.0L I thought?

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Joined: Sun May 04, 2008 11:30 pm
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Location: NSW
Vehicle: SJ51 LWB, SJ70 SWB

Post Posted: Fri Dec 29, 2017 6:34 am 
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Its probably the rarer SJ51 WT LWB, g13a etc.

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

Post Posted: Fri Dec 29, 2017 6:55 am 
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1.0 stylesides are SJ40 or MG410

88 could be WT. 88 sierras were all sj50’s regardless of track width IIRC.

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Joined: Mon Feb 09, 2015 5:35 pm
Posts: 47
Location: Inverell
Vehicle: Sierra 1988 SJ51 LWB

Post Posted: Fri Dec 29, 2017 1:06 pm 
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So my Ute is a Jan 1988 wide track with a G13A motor. Compliance plate says SJ51

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Joined: Sat Oct 06, 2012 5:49 pm
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Vehicle: Sierras!! SWB and LWB

Post Posted: Fri Dec 29, 2017 1:20 pm 
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Sweet!! Well as they are wide track those chromo axles will suit

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Joined: Mon Feb 09, 2015 5:35 pm
Posts: 47
Location: Inverell
Vehicle: Sierra 1988 SJ51 LWB

Post Posted: Mon Jan 01, 2018 11:41 am 
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Oh ok so the wide track diffs are already a 26 spline axil then...?

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Joined: Mon Sep 26, 2016 12:08 pm
Posts: 395
Vehicle: 1987 WT LWB Sierra

Post Posted: Mon Jan 01, 2018 11:58 am 
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I don't believe so. The difference is in width (axle length) between wt and nt. (Though the spline may be different too)

The 26 spline axles still need a changed diff centre in the front, because the front is only a 22 spline centre. The rear is a 26 spline though, so as suggested by bumstein you could fit a rear centre to the front.

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Joined: Mon Feb 09, 2015 5:35 pm
Posts: 47
Location: Inverell
Vehicle: Sierra 1988 SJ51 LWB

Post Posted: Mon Jan 01, 2018 12:36 pm 
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Ok thanks everyone for there help, also a big cheers to the AZ crew, so awesome to be able to jump on my phone with a problem and or question an have access to all of this info and fellow zookers that have endless knowledge of these machines...!!

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