[smiffkid]

why doesn any body just have em kickin around lol
cause cause there rare or wat

in need of 1 and cant find any at all

[Fatzook]

smiffkid wrote:

why doesn any body just have em kickin around lol
cause cause there rare or wat

in need of 1 and cant find any at all

If you are refering to sierra diffs, they only came out in 95-98 WT maruti's.

[smiffkid]

and the rear of a jimny
so hard to find a R&P

[alien]

can you ask if suzistore can bring a maruti R&P in on their next container??

[mnemonix]

I've previously bought them through Suzifour wreckers in Sydney on 2 seperate occasions.
~$300 for a complete centre to my door overnight (Sydney - Newcastle).
02 9673 3000.

FYI: The ratio you're looking for is 4.09:1. 45/11teeth. Using the correct description might help you source the correct part.

[BlueSuzy]

Jims are 4.09.
Jims are 4.09.
Jims are 4.09.


Are maruti's really 4.11 or 4.09?

I dont know how the rumour Jims with 4.11 started. Sounds like no one counts teeth.

[sideways]

I have a 4.11 here you can have.

1l diff that was full of water.

[smiffkid]

well i have a 4.11 in the rear of 2 other jimny twin locked with reduction gears and haven been a problem so if i can find a 4.11 ill be happy

suzi store want a casual 770 for a rear diff centre alien

[Daz7]

If their Maruti have you tried to get them direct out of India? I've just received a whole box of bits that I ended up sourcing direct with a bit of googling and a couple of emails?

[Blakey]

smiffkid wrote:

well i have a 4.11 in the rear of 2 other jimny twin locked with reduction gears and haven been a problem so if i can find a 4.11 ill be happy

suzi store want a casual 770 for a rear diff centre alien

so you have different ratio R&P for your front a rear of your jimny, that must work well in 4x4. wouldn't cause windup at all

[Fatzook]

BlueSuzy wrote:

Jims are 4.09.
Jims are 4.09.
Jims are 4.09.


Are maruti's really 4.11 or 4.09?

I dont know how the rumour Jims with 4.11 started. Sounds like no one counts teeth.

1L sierras = 4.11:1.

NT Maruti = 4.11:1.

WT Maruti = 4.11:1.

I believe that 4.09 and 4.11 are so close it would make no difference if you mixed and matched them.

[christover1]

Are Sierra 1.0 diffs useful for the jimny? I have a few left over from Frog.

[christover1]

Some early 4wd's came stock with front diff slightly higher ratio than rear,
apparently a safety thing for steep climbs and decents, to aid in steering straight?
I have no proof of this, just old peoples stories.

[zooky08]

Rear wouldn't as Jimmy are 1.3 size, not sure about front though as there smaller in size

[BlueSuzy]

Fatzook wrote:

BlueSuzy wrote:

Jims are 4.09.
Jims are 4.09.
Jims are 4.09.


Are maruti's really 4.11 or 4.09?

I dont know how the rumour Jims with 4.11 started. Sounds like no one counts teeth.

1L sierras = 4.11:1.

NT Maruti = 4.11:1.

WT Maruti = 4.11:1.

I believe that 4.09 and 4.11 are so close it would make no difference if you mixed and matched them.

I agree, But every Jim drive thinks they have 4.11's.

[smiffkid]

Pretty sure 1 liter RnP will be fine. Not 100 percent sure tho

It's the slightest difference. Like I said super low pressures on 31s twin locked n geared n don't even notice it.

Make around tr same difference as a few psi difference in tires.

[christover1]

Are fronts high pinion, like coiley Sierras.?
If so, may be no use on fronts?
I must have a crawl under some Jims soon.

Happy to strip one down and post ring n pinion,
whole diff be too heavy and pricey to ship, probably

[Fatzook]

ALL non-WT maruti R&P's are useless to a jimny owner, as the R&P is too small.

ONLY WT maruti is of any use..... So on numbers alone, you have a better chance of finding a 4.09 jimny 3rd, as they have been in production for 14 years, compared to WT maruti's 3 years.

[monley]

I have asked Suzistore if the ratio is 4.11 or 4.09... They said they are 4.11 maruti, 1L and jimny...

[SierraDan]

But:

BlueSuzy wrote:

Jims are 4.09.
Jims are 4.09.
Jims are 4.09.

Sounds like no one counts teeth.

[smiffkid]

why would they make a ratio.02 different

[atari4x4]

monley wrote:

I have asked Suzistore if the ratio is 4.11 or 4.09... They said they are 4.11 maruti, 1L and jimny...

should have asked them for the tooth count.

[Gwagensteve]

christover1 wrote:

Some early 4wd's came stock with front diff slightly higher ratio than rear,
apparently a safety thing for steep climbs and decents, to aid in steering straight?
I have no proof of this, just old peoples stories.

I assume you are referring to cars that have "mismatched" diffs, like early bronco's and F100's that have ford 9" rear diffs and Dana 30/44 front, in which case, the nearest match is 4.11/4.09. Whilst it's true that that taller gears would end up in the front, for the reasons you state, it's not by design, it's an accident of using different gear sets front and rear.

In fact, whilst a taller front diff to rear will assist in steering and climbing, it would be inferior whilst descending, as the rear wheels will drag a little, so directional stability would be worse.

Using radically taller front diff ratios is a mud drag strategy to get the front of the car to "sit up" on the mud and pull straight, but we're talking a very specific use in that instance.

Steve.

[SierraDan]

smiffkid wrote:

why would they make a ratio.02 different

Ask Suzuki, theyre the ones with a short attention span.

[christover1]

The theory was gaining steering by acceleration I think

[Gwagensteve]

Overspeeding the front wheels will result in heavy understeer.

Honestly, it's the result of different manufacturers supplying diffs for the same car, not by planning.

Steve.

[303zuke]

smiffkid wrote:

why would they make a ratio.02 different

It's got to do with the physical size of the diff and the amount of torque it's designed to handle.

The 4.09 diff has 11 teeth on the pinion and 45 teeth on the ring gear.
The SMALLER 4.11 has 9 teeth on the pinion and 37 on the ring gear. If the smaller diff was made with 11/45 teeth, the profile of the gear teeth would be too thin even for the torque of a 1.0lt and would shear off teeth. By reducing the number of teeth, the gear sections thicken up, increasing the torque capacity.

So why have the mismatched ratios and not build the bigger diff as a 4.11 too? By scaling up a 9/37 R&P to the dimensions of the 1.3lt diff, the "Coarse" gear sections create proportionally higher drag that actually rob torque, that is they will both handle more torque, but also need more torque to drive them. A "Finer" ratio of 11/45 creates less drag.

[mnemonix]

So, vetting back to the OP.
He has a jimny, which use the large WT sierra sized centres.
Which would be 4.09, or 45/11 teeth.
Am I completely wrong here or what? I swear he's getting the wrong advice here...

[zooky08]

Only the rear is 1.3 size in a Jimny
I have WT Maruti centers but not for sale

[BlueSuzy]

mnemonix wrote:

So, vetting back to the OP.
He has a jimny, which use the large WT sierra sized centres. REAR ONLY
Which would be 4.09 = 45/11 teeth.