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SJ80 rear diff

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ForBeeFor

newbie

Joined: Fri Nov 02, 2018 10:16 pm
Posts: 2
Vehicle: 98 Sierra Soft Top

Posted: Wed Feb 20, 2019 12:20 am

Hi all; I am wondering if anyone would have a rear diff centre for an SJ80 Sierra, 1998 model, that you might be inclined to sell. I have manged to break a bunch of teeth off my crown wheel and pinion. Thanks in advance for any help or suggestions that anyone may have for me. Regards Rod.

HarryHoudini

Joined: Fri Jul 01, 2011 12:34 am
Posts: 358
Location: Northern NSW Australia.
Vehicle: Coily.

Posted: Wed Feb 20, 2019 8:47 am

Very hard to find Rod,just out of interest where are you located?.

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Regards All from far Northern NSW.

ForBeeFor

newbie

Joined: Fri Nov 02, 2018 10:16 pm
Posts: 2
Vehicle: 98 Sierra Soft Top

Posted: Wed Feb 20, 2019 5:03 pm

hey mate, hows things? Yeah, I am finding that statement to be accurate. found one but it needs the spindles changed as there are a different number of splines for the axles. I'm west of Ipswich in qld.

HarryHoudini

Joined: Fri Jul 01, 2011 12:34 am
Posts: 358
Location: Northern NSW Australia.
Vehicle: Coily.

Posted: Wed Feb 20, 2019 7:50 pm

Hi Rod,i have a Coily diff that needs a new Pinion,if that's any help i'll try and find it on the W/end and post a Pic.I'm down Lismore way.
The other option is to contact one of the Jap. Spares importers in Sydney or Brisbane,only problem is the Coily is getting old now but you may be lucky.

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Regards All from far Northern NSW.

suzukitas

Joined: Wed Aug 26, 2015 10:48 pm
Posts: 245
Vehicle: sc100 se416 mightyboy

Posted: Wed Feb 20, 2019 10:36 pm

I might get confirmation from someone that knows, but the REAR(only)from SJ80 should have the same ring pinion and ratio to the sj50..

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Why make your Suzuki like a Vitara, Just get one.

dougies_tx5turbo

Joined: Tue May 25, 2010 10:56 am
Posts: 1051
Location: north brisbane

Posted: Thu Feb 21, 2019 12:03 am

Sj80 have the same differential as 3.9 ratio sj50 1985 to 88

Gwagensteve

Joined: Thu Feb 26, 2009 10:30 pm
Posts: 13007
Location: Melbourne

Posted: Thu Feb 21, 2019 10:32 am

An SJ80 doesn’t have rear spindles as the axle is semi floating and the axle splines are the same as every other Sierra rear- 26 spline. All factory Sierra front axles are 22 spline regardless of model.

As has been pointed out, ratio is 3.9, same as NT 1.3 Sierra.

The sj80 cast housing is different as it has a bracket for a vibration damper. This isn’t relevant if you only need gears. If you swap the whole third member in from a 1.3 NT, you’ll need to use 1/2 of a 1.3 tailshaft, swap the yoke on the tailshaft diff end to suit the 1.3 NT, or swap the sj80 pinion flange onto the NT pinion, which will require a new crush sleeve and care when setting up to achieve the correct bearing preload.

MungamineBoy

Joined: Fri May 16, 2014 8:43 am
Posts: 3
Location: Dubbo NSw
Vehicle: Suzuki Carry Van

Posted: Wed Feb 27, 2019 1:41 pm

G'day

I am also looking for a SJ50 or SJ80 rear crown wheel and pinion. I was about to post when I saw this one. Does anybody know a source for new ones. I have been ringing around and got no luck so far.
Regards
Chris from Dubbo.

suzukitas

Joined: Wed Aug 26, 2015 10:48 pm
Posts: 245
Vehicle: sc100 se416 mightyboy

Posted: Sat Mar 02, 2019 9:34 pm

I can help you with a RnP
feel free to contact me on 0437097475 Brad

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Why make your Suzuki like a Vitara, Just get one.

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