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GV 4.8 R&P into sierra diff
https://auszookers.com/forum/viewtopic.php?f=5&t=29141		 Page 1 of 2
Author:  shep [ Sat Dec 31, 2011 8:11 pm ]
Post subject:  GV 4.8 R&P into sierra diff
is it possible to put GV 4.8 ring and pinion gears into a sierra diff?

i need more reduction and can get 1 gv front diff, will i have trouble finding another gv diff?
assuming that it is front diff that i need.
Author:  Bruce [ Sat Dec 31, 2011 8:29 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Shep your looking for a GV that runs an Auto.
Can't answer your question but that might help a little in tracking one down if you ask wreckers.
Suzifour wreckers in Sydney (I think from memory) used to look after me well when I was hunting GV parts.
Author:  royce [ Sat Dec 31, 2011 8:30 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
yeah they fit, dunno if you need the cross pin retaining band or not that they use on 5.12

probably easier to find as the earlier GV's had them as well as a few auto 1.6
Author:  shep [ Sat Dec 31, 2011 8:38 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
royce wrote:
yeah they fit, dunno if you need the cross pin retaining band or not that they use on 5.12

probably easier to find as the earlier GV's had them as well as a few auto 1.6


i have a auto 1.6. 1992 or 1994 LWB would it have 5.12s?
Author:  royce [ Sat Dec 31, 2011 8:45 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
I cant remember which had what, do a search :)
Author:  shep [ Sat Dec 31, 2011 8:47 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
royce wrote:
I cant remember which had what, do a search :)


do a what :?
Author:  tanshi [ Sat Dec 31, 2011 9:15 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
i doubt you will find any hard and fast answers.

suzuki did some screw stuff with diff gearing in all those things.

4.8s came out in the 2.0 4 and 6 cyl vitaras

and some of the GVs but not sure which ones

PS if you find extras hook me up, im looking for a pair as well
Author:  Fatzook [ Sat Dec 31, 2011 9:57 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
tanshi wrote:

4.8s came out in the 2.0 4 and 6 cyl vitaras



Never heard that one before.... I've only ever seen 4.6 or 5.12 in vitaras. :?
Author:  foonji [ Sat Dec 31, 2011 10:26 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
http://nbs4x4club.com/forum/index.php?topic=14178.0

some info here on what has what ratio.
Author:  CairnsZook [ Sat Dec 31, 2011 10:58 pm ]
Post subject:  Re: GV 4.8 R&P into sierra diff
And here...

http://www.auszookers.com/index.php?nam ... pic&t=5806
Author:  christover1 [ Sun Jan 01, 2012 5:42 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
My vits a 93 lwb auto, it had 5:12's stock.

The GV front steelie I used had a 4:3 installed.

Dunno about anything else.
Author:  Built4thrashing [ Sun Jan 01, 2012 7:51 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
2.0 4cly manual and V6 auto GV's had 4.8's as did the X90.
All LWB 1.6 Vits had 5.125...... i think.
Author:  joeblow [ Sun Jan 01, 2012 7:53 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Fatzook wrote:
tanshi wrote:

4.8s came out in the 2.0 4 and 6 cyl vitaras



Never heard that one before.... I've only ever seen 4.6 or 5.12 in vitaras. :?


Got a 4.8 rear sitting right here out of a 2.0 litre shorty GV.
Author:  Built4thrashing [ Sun Jan 01, 2012 7:55 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
joeblow wrote:
Fatzook wrote:
tanshi wrote:

4.8s came out in the 2.0 4 and 6 cyl vitaras



Never heard that one before.... I've only ever seen 4.6 or 5.12 in vitaras. :?


Got a 4.8 rear sitting right here out of a 2.0 litre shorty GV.


I want it....... Im gonna get it airlocked and ready to swap over into my GV...How much ya want for it Joe?
Author:  joeblow [ Sun Jan 01, 2012 7:58 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.
Author:  royce [ Sun Jan 01, 2012 8:08 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker
Author:  Built4thrashing [ Sun Jan 01, 2012 8:14 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
GV 4.3 and 4.8 carriers are the same. I know as i have just swapped the R&P over a fortnight ago.

I was under the impression that a RD79 for a Vitara was what was required.... Ill do more research before i buy one.
Author:  Built4thrashing [ Sun Jan 01, 2012 8:16 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


5.125 diffs are not off the cards. I have a GV rear on my bench but ill need a decent Vit front to do the conversion.......oh wait i do have a set i loaned to a mate i can ask back. HMMMMMMtime to do some summs on ratios
Author:  Bruce [ Sun Jan 01, 2012 8:27 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
royce wrote:
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker


And then I smashed it hey Royce :wink:
Author:  royce [ Sun Jan 01, 2012 8:38 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Bruce wrote:
royce wrote:
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker


And then I smashed it hey Royce :wink:


about this time of year too :cry:
Author:  Brenno [ Sun Jan 01, 2012 8:48 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
What sort of reduction are you currently running shep?
Author:  Bruce [ Sun Jan 01, 2012 8:55 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
royce wrote:
Bruce wrote:
royce wrote:
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker


And then I smashed it hey Royce :wink:


about this time of year too :cry:


TO the day mate, 4 years ago.
Author:  royce [ Sun Jan 01, 2012 8:58 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Bruce wrote:
royce wrote:
Bruce wrote:
royce wrote:
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker


And then I smashed it hey Royce :wink:


about this time of year too :cry:


TO the day mate, 4 years ago.


Lucky I maintain my car perfectly so doesn't need replacing just yet
Author:  joeblow [ Sun Jan 01, 2012 9:22 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Was the locker machined down to suit?
Author:  CairnsZook [ Sun Jan 01, 2012 9:49 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Oh-oh, I don't like where this thread is going :?

I plan on swapping some 4.3 R&P's into my air-locked Sierra diffs.
Will they fit? Or am I going to have to get shit machined???
Author:  joeblow [ Sun Jan 01, 2012 9:58 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
You'll be using two fronts....so you will be ok. The rears are different.
Author:  CairnsZook [ Sun Jan 01, 2012 10:01 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
joeblow wrote:
You'll be using two fronts....


Yep, that's what I've got sitting in the shed.

Thanks Joe, I was a bit worried there for a minute :shocked:
Author:  shep [ Sun Jan 01, 2012 10:12 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
Brenno wrote:
What sort of reduction are you currently running shep?


1.3, 33" tyres, 3.7 diffs, early sierra 5 speed and 6.5 trans gears at the moment but i am about to go
1.6, 4 speed auto, 6.5s with 33" tyres and i want it to be doing around 3800rpm @100.

i am fishing a series of comps next year and want to use the sierra as my tow car so i can
out flash the other competitors. :D
Author:  gregdixon [ Sun Jan 01, 2012 10:20 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
royce wrote:
joeblow wrote:
pm sent........


Then I realised you want to put an airlocker into it.......it won't fit. The internal dia of the 4.8 GV ring gear is too small for an airlocker which is why I convert them to early 5.1 or 4.6 diffs.


I know of a gv with 4.88 and airlocker


The 4.8 has the same ID as 5.12's it is only the 4.3 rear gear sets that have a different carrier and third member. This what I found when i swapped from 4.3 to 4.8 gears in my GV.
Author:  Bruce [ Sun Jan 01, 2012 10:45 am ]
Post subject:  Re: GV 4.8 R&P into sierra diff
joeblow wrote:
Was the locker machined down to suit?


No. I had a 2000 Auto GV (running std 4.875 diffs)
After smashing the front diff (ally) I replaced the front diff with Vitara (4.875 diff and got a steel housing while I was at it) to allow me to run a air locker.
Drove it for about 18 months like that, then, I fitted a rear 4.875 Vitara diff so I could fit a air locker. So the GV was then twin air locked. :wink:
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