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SJ Modified front axle

  • Smoggy
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11 May 2012 20:54 #40008 by Smoggy
SJ Modified front axle was created by Smoggy
I've submitted some photos of my recently purchased front axle. I would be grateful for your comments. I got the unit from Gazwell and it was removed from his competition trayback Jimny. The diff is from a Jimny with ARB locker installed and diff breather as you can see in the photo. It is welded to an SJ axle with SJ shafts and hubs (the ARB side gears have been changed to fit the splines from the SJ chromoly 4340 shafts) with spring mounts and other appendages welded on to fit the Jimny.

What I don't understand is how the 4WD is selected without the use of vacuum system or manual locking hubs.

Thanks in advance guys.







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  • vitara_mad
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11 May 2012 21:00 #40009 by vitara_mad
Replied by vitara_mad on topic Re: SJ Modified front axle
its got fixed hubs so they are locked all the time

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  • Smoggy
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11 May 2012 21:07 #40011 by Smoggy
Replied by Smoggy on topic Re: SJ Modified front axle
Excuse my stupidity Rich but I thought that the Jimny 4WD is only supposed to be a part time system, am I therefore not going to be able to drop into 2WD using my selector from the rocklobster?

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  • reaper
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11 May 2012 21:21 #40014 by reaper
Replied by reaper on topic Re: SJ Modified front axle
That will dissengae the drive but the hubs will still be locked so diffs props etc will still be spinning

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  • vitara_mad
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11 May 2012 21:22 #40015 by vitara_mad
Replied by vitara_mad on topic Re: SJ Modified front axle
yes you still have 2wd as when you select 2wd on transfer box theres no drive to the front output on the transfer box

the only thing with fixed hubs is even in 2wd when driving the wheels are still turning the front shafts,diff & front prop but theres no drive to them so that no problem

some sj's & vits come fitted with fixed hubs as standard so no need to worry & theres nothing to go wrong with fixed hubs

the only downside is if you break a front shaft or cv you cant disengage front hubs but you can just unbolt the fixed hub to drive home

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  • Smoggy
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11 May 2012 21:24 #40016 by Smoggy
Replied by Smoggy on topic Re: SJ Modified front axle
I dont get it cos my jimny will now have sj hubs, sj transfer box and sj props and the sj had selectable 2wd/4wd? What am I not understanding guys.

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  • Smoggy
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11 May 2012 21:26 #40017 by Smoggy
Replied by Smoggy on topic Re: SJ Modified front axle
Forget last post thanks.

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  • vitara_mad
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11 May 2012 21:27 #40018 by vitara_mad
Replied by vitara_mad on topic Re: SJ Modified front axle
you still have 4wd & 2wd trust me ;)

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  • vitara_mad
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11 May 2012 21:28 #40019 by vitara_mad
Replied by vitara_mad on topic Re: SJ Modified front axle

Smoggy wrote: Forget last post thanks.


ok forget my last post as well then :laugh: :laugh: :laugh:

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  • reaper
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11 May 2012 21:29 #40020 by reaper
Replied by reaper on topic Re: SJ Modified front axle
Vacuume hubs- when in 2wd the hubs spin free and the t-box doesnt spin the output
Fixxed hubs - when in 2wd the hubs turn the diff and props but the t-box isnt turning the output drive

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  • Smoggy
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11 May 2012 21:30 #40021 by Smoggy
Replied by Smoggy on topic Re: SJ Modified front axle

vitara_mad wrote: yes you still have 2wd as when you select 2wd on transfer box theres no drive to the front output on the transfer box

the only thing with fixed hubs is even in 2wd when driving the wheels are still turning the front shafts,diff & front prop but theres no drive to them so that no problem

some sj's & vits come fitted with fixed hubs as standard so no need to worry & theres nothing to go wrong with fixed hubs

the only downside is if you break a front shaft or cv you cant disengage front hubs but you can just unbolt the fixed hub to drive home


Would hope I wont break them as theyre chromoly 4340, mind you with 33 x 11.5s you never know :-(

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  • Smoggy
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11 May 2012 21:41 #40022 by Smoggy
Replied by Smoggy on topic Re: SJ Modified front axle
And I paid a million quid for em. :-)

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