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3.9 ratio front diff from an 85 tin top - 2 or 4 pin?
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Author:  lump_a_charcoal [ Fri Mar 13, 2009 5:07 pm ]
Post subject:  3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Well, is it 2 or 4 pin?

Author:  Scrawny [ Fri Mar 13, 2009 5:14 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Gotta be 2.... but can't guarantee it :D

Author:  lump_a_charcoal [ Fri Mar 13, 2009 5:17 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Thanks for almost helping!

Author:  Scrawny [ Fri Mar 13, 2009 5:19 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

You're welcome!! Any time I can almost be of assistance, just ask :lol:

Author:  lump_a_charcoal [ Fri Mar 13, 2009 5:21 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

I almost will.

Author:  shep [ Fri Mar 13, 2009 5:34 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

i have a front diff center from a 85 drover and it is a 4 pin.

Author:  lump_a_charcoal [ Fri Mar 13, 2009 5:39 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Thanks Shep.

Author:  want33s [ Fri Mar 13, 2009 5:43 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

ALL NT 3.9 centres are 4 pinion unless someone has played with it.

Jas.

Author:  Scrawny [ Fri Mar 13, 2009 5:44 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Disregard what I said earlier :D

Author:  lump_a_charcoal [ Fri Mar 13, 2009 8:01 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

want33s wrote:
ALL NT 3.9 centres are 4 pinion unless someone has played with it.

Jas.


Awesome, thanks.

Author:  lump_a_charcoal [ Sat Mar 14, 2009 12:48 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

So the 1 litre diffs will fit a WT housing?

Author:  royce [ Sat Mar 14, 2009 12:59 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

no

Author:  lump_a_charcoal [ Sat Mar 14, 2009 1:33 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Damnit, I knew there was a catch...

Author:  royce [ Sat Mar 14, 2009 1:39 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

if they fit everyone would have 4.11's in their WT's

Author:  lump_a_charcoal [ Sat Mar 14, 2009 1:43 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Aren't they 3.9?

Author:  want33s [ Sat Mar 14, 2009 11:52 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

One litre diffs are 4.11:1
1.3 NT diffs are 3.9:1
1.3 WT diffs are 3.7:1
Maruti 1.0 & 1.3 diffs are 4.10:1
Maruti diffs will fit into NT or WT housings.
Jas.

Author:  zooker [ Sat Mar 14, 2009 5:46 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

want33s wrote:
Maruti diffs will fit into NT or WT housings.
Jas.


Correction here. WT maruti diffs will fit into NT or WT housings :wink: . They have a NT flange though.

NT maruti diffs are 1L size so will not work in 1.3 diffs.

Author:  want33s [ Sat Mar 14, 2009 5:55 pm ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

Cool... :oops: Some useful tech popping up here. :wink:
Jas.

Author:  Zook_Fan [ Mon Mar 16, 2009 1:47 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

when looking at an open centre how do you determine the how many pins it is?? what does pin actually stand for?

Author:  lump_a_charcoal [ Mon Mar 16, 2009 1:52 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

A 2 pin carrier actually only has one pin or bar through it, wheras a 4 pin carrier has 3 pins - One long one and two short ones.

The long one is about 110mm long, and the shorties are about 45mm from memory.

4 pins are stronger for lockrights.

Author:  Zook_Fan [ Mon Mar 16, 2009 1:56 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

so this would be a: Image ??

Author:  lump_a_charcoal [ Mon Mar 16, 2009 2:03 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

4 pin - You are right, they are in good nick!

You can see two pins at 90 degrees to each other there...

Author:  Zook_Fan [ Mon Mar 16, 2009 2:07 am ]
Post subject:  Re: 3.9 ratio front diff from an 85 tin top - 2 or 4 pin?

see i dont lie ;) that was straight out of the diff without touching it with a rag or anything.

Now i understand what the hell the 2 and 4 pin thing means ok thanks

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