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| Reduction Gears to suit 96 mob Sierra Transfer http://auszookers.com/forum/viewtopic.php?f=5&t=25307 |
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| Author: | fix8ed [ Wed Aug 31, 2011 8:40 am ] |
| Post subject: | Reduction Gears to suit 96 mob Sierra Transfer |
Hey guys i just bought a 92 mod sierra 1.3ltr and it has a 96 Transfer, Ive been told that you can not get reduction gears to suit this transfer. Just wondering if anyone knows if this is true and if not where can i get them. if you cant get them ill just look out for an original transfer. cheers. |
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| Author: | Gwagensteve [ Wed Aug 31, 2011 8:47 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
If it is a gear drive transfer case there are no problems. 1996 was the change over year. the chain drive coil case isn't a straight swap so you'd have to be keen to screw up the gearing of a WT to bother with a coil case in one. If the shift pattern is like this: 
Then it's a gear drive case, and you are sweet for gears. The coil shift pattern is straight though (it's not a J shape) Steve. |
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| Author: | fix8ed [ Wed Aug 31, 2011 8:57 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Awsome thanks heaps for that mine has the J pattern. The guy i bought it off said it was the 96 chain driven transfer but i guess not. |
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| Author: | stockman [ Wed Aug 31, 2011 9:00 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Did you shift through the case? |
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| Author: | zooky08 [ Wed Aug 31, 2011 9:02 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
stockman wrote: Did you shift through the case? X2 they could of put the original transfercase stick knob back on
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| Author: | fix8ed [ Wed Aug 31, 2011 9:03 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
yer its def the j pattern, this is my first zook so i dont know much about em. |
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| Author: | jonno_racing [ Wed Aug 31, 2011 9:09 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
u sure about that shift pattern steve? cbzook is a coiler transfer and it is a J pattern. and im 99% sure mine was to before i got gears. |
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| Author: | tobeszook [ Wed Aug 31, 2011 9:15 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
my 97 coily has the j pattern it had work done when i bought it, so i don't know if it is original or not. i hope its a leaffy case ...more info boys ! |
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| Author: | Gwagensteve [ Wed Aug 31, 2011 9:16 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
I'm 99.99% sure the pattern is different from the Leaf - it doesn't have a neutral or somehting? Hmmm - I used to have a coil case here but I threw it out. Sorry if I've misled anyone - I was sure there was a difference. Steve |
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| Author: | fix8ed [ Wed Aug 31, 2011 9:17 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
yer is there another way to check, without pulling it apart of course |
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| Author: | jonno_racing [ Wed Aug 31, 2011 9:22 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
yep the shape.... hold on give me a few min i have a pic in my photo bucket....... |
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| Author: | Gwagensteve [ Wed Aug 31, 2011 9:23 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Should be able to tell them apart from this: Coil sierra case, viewed from above: 
Leaf sierra case, viewed from above 
The coil case is much skinnier through the middle (between the input and outputs) as there's only a chain between them. |
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| Author: | jonno_racing [ Wed Aug 31, 2011 9:24 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
ok that didnt take as long as i thought 
left is coiler right is leafy |
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| Author: | Gwagensteve [ Wed Aug 31, 2011 9:27 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Jonno - the leaf transfer in your pic is a non-4WD light case (early 1.0) It looks quite different to a later case. Steve |
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| Author: | jonno_racing [ Wed Aug 31, 2011 9:30 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Gwagensteve wrote: Jonno - the leaf transfer in your pic is a non-4WD light case (early 1.0) It looks quite different to a later case.
Steve your right... however for the purpose of the pic it works.. also notice it was in my coiler for about a year... useing wt shafts and all. |
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| Author: | Gwagensteve [ Wed Aug 31, 2011 9:32 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
jonno_racing wrote: also notice it was in my coiler for about a year... useing wt shafts and all.
Someone did some trick work to make the flanges work then 
Steve. |
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| Author: | jonno_racing [ Wed Aug 31, 2011 9:35 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
Gwagensteve wrote: jonno_racing wrote: also notice it was in my coiler for about a year... useing wt shafts and all. Someone did some trick work to make the flanges work then Steve. yeah apparently a prev owner of the case was doing a mashinest course at tafe, so he built custom flanges as a project! got top marks 2.. a member on this form still owns the case! |
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| Author: | fix8ed [ Wed Aug 31, 2011 9:36 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
cheers guys i will have a look tomorrow. if i could buy you a beer i would! |
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| Author: | alien [ Wed Aug 31, 2011 9:42 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
hehe flange. |
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| Author: | koozers [ Wed Aug 31, 2011 10:24 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
alien wrote: hehe flange.
x2 
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| Author: | fix8ed [ Thu Sep 08, 2011 2:56 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
So have checked and it is the chain drive transfer with the J pattern, So now wondering if they would of had to change much to do this, im thinking of just buying a Gear drive transfer and changing it back so i can get the reduction gears or does anyone have a better idea. I really need the reduction gears and im running 31's n the thing goes like a dog. Cheers guys. |
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| Author: | Reubs [ Thu Sep 08, 2011 4:47 am ] |
| Post subject: | Re: Reduction Gears to suit 96 mob Sierra Transfer |
To clear up, all sierra transfers had a 'J-Pattern' shift. To interchange the coily and WT transfers, the jackshaft, and the case itself changes. The mounts transfer are the same. The 4x4 light plug is the same. The coily case is a little slimmer at the top so the jackshaft length changes. The flange holes on the coily case are tapped. The flanges on the WT case have holes for a bolt and nut. Oh and maybe the shift knob gets a little prettier with the coily case as well LOL. If you get a WT jackshaft you should be able to change over the case in a couple of hours easily. The gearing will improve also and your speedo should become more accurate - the stock WT case has lower gears as the coily has 3.9 ratio diffs instead of 3.7. |
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