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5.1 diffs

Tech Talk for Suzuki owners.

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Posts: 185
Joined: Tue Dec 03, 2002 7:09 pm
Location: townsvile,nth qld

5.1 diffs

Post by camo »

i have heard that the vitara has come out at one point in its life with 5.1 diffs?and was wondering if anyone can tell if they will fit into 93' sierra diffs?
as i am looking to run bigger tyres and drop the diff back down to de-stress the engine also how hard this would be to do myself ( i have moderate skill level) and which vitara they came in?
or
where i can get different ratios for my zook?

any help would be apperciated
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Post by 5link80 »

camo

Yes the vitara did come out in 5.1 diffs. No sure which model but the wreckers shouls be able to help.. They will fit in your diff, all you have to do is change the R&P with you center..

There is one catch though - they seem to be as rare as Rockin Horse #$@% - We found this out when we landed on a rock, broke the carrier and chipped the R&P :cry:

Sam will be able to give you more info..

Kyle
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Post by Charlie »

As far as I'm aware all except some of the 89 model have 5.12 diffs.
To fitt a serria you need two front diffs and some spacer rings.
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Post by OVERKILL ENG »

Charlia is correct most of the wreckers have them Try Suzisport hornleigh.
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Post by Disco Stu(pid) »

This is third hand knowledge, but I thought the 5.12 were only in the auto tranny vits?
Actually, a quick search reveals that some have 4.3, some 4.625 and some 4.875 as well. Seems to vary greatly between tansmission/wheelbase options. Check current model specs here Would pay to know what ou have first, may not be necessesary to go down to 5.12.

A mate is fitting 5.12s to his vit this week. Picked up a pair of complete centers in GC from the breakers for something like $500.
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Post by camo »

thanks for the info

just wondering what size spacers would be needed?

much apperciated
cam
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Post by Dozoor »

Camo , I don't use the spacers .
The front diff in your 93 is a single pin hemisphere this is a weak varity
try to get a four pin hemisphere to put in with your new ratios.
these are found in the narrow track 1.3. you need a front one because the side gears in these match your front axles ,axles are a different size front and back.
now the reason they use the spacer rings is the ring gear is narrower but you can get the backlash ok without them ,one thing to remember you need to use the ring gear bolts from the 5.1s as these are shorter.
if you did use the longer ones they seat in the bottom of the thread before taking up tension and you end up with a loose ring gear before you know it. :D
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Post by Charlie »

Disco Stu(pid) wrote:This is third hand knowledge, but I thought the 5.12 were only in the auto tranny vits?
Actually, a quick search reveals that some have 4.3, some 4.625 and some 4.875 as well. Seems to vary greatly between tansmission/wheelbase options. Check current model specs here Would pay to know what ou have first, may not be necessesary to go down to 5.12.

A mate is fitting 5.12s to his vit this week. Picked up a pair of complete centers in GC from the breakers for something like $500.


Its a bit confusing because suzuki seem to change the model name for every market and American Vitara is a ozi Grand Vitara
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Post by Disco Stu(pid) »

Charlie
Its a bit confusing because suzuki seem to change the model name for every market and American Vitara is a ozi Grand Vitara

That may be so (I have no Idea on that), but that chart had specs for 2003 XL7, Grand Vitara, Vitara 4 door & Vitara 2door. I thought that was the whole range?!?
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Post by camo »

excellent well its off to the wreckers for me

just find some diffs and i will be done

great thanks to all who replyed
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Post by Blackzook »

I'm running 5.12's with lockrites and have had no problems over the last 18 months.
I machined down the carrier and fitted a shrink ring then machined up some spacers to get the backlash adjusters rite.

I hear that you can buy a kit now so that they are a bolt in fit.

Too easy.

I paid $150.00 each at a wrecker in Sydney for the 5.12's total cost installed was about $450 for the pair.


Bruce
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Post by thaoldman »

Just remember that if you put 5.12's in you will reduce your highway top speed to 80K's flat stick !.....rockhopper is a much better way to go IMHO.
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Post by camo »

do u know who sells this kit blackzook?
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Post by Damo »

thaoldman wrote:Just remember that if you put 5.12's in you will reduce your highway top speed to 80K's flat stick !.....rockhopper is a much better way to go IMHO.


It's OK if you are going up to bigger tyres, but 5.12s are a big step up.

I'm going to be running the vit auto tranny and 5.12s which has 0.73 overdrive so it works out pretty good with 31s
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Post by Blackzook »

Camo,
I heard of a couple for sale @ $150.00 per pair in the suzy club in Sydney. I think they are made by Calmini or someone over there. Try the local suzi suppliers here one of them are sure to be bringing them in.

GL

Bruce
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Post by Dozoor »

sieries 1 rockhopper - 5.125 gears - 32" tires - 110ks = 4200 rpm
120ks 4500rpm, my car has done this for two hours a day ,five days a week for three years :shock: Had to re ring the motor at 200,000ks :?
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stu
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Post by stu »

dozoor, hows the acceleration wth the RH and the 5.12 assuming you have a stock 1.3

i find with 31's and the RH means that i don't have good pickup, just alot of noise when i sink ther boot
i don't need no stinking quote for my sig. line!
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