[JuniorJoel]

Okay,

Gearing for a manual 2000 model non VVT Suzuki Jimny.

I am lead to believe that a non-VVT Suzuki jimny has a Final Drive Ratio (Diffs) of 3.416 and

a Suzuki jimny with VVt has a ratio of 4.3


Does this mean that if i put the Diff centers from a VVT jimny into my Non-VVT i would get a gear reduction of the above figures.

Also, would someone be able to work out this reduction as a percentage please.

I am just looking into other ways of reducing the gears on my Jimny other than through the transfer case swap.

Thanks,
Joel

[Fatzook]

You've been lead down the garden path.

4.1 and 4.3 are the only factory ratios available for the jimny AFAIK.

Not sure which models they come in though.

EDIT: 4.7% difference.

[JuniorJoel]

Hey,

Just doing some reading,

Because from what i have read the automatic jimny's transfer has a
high ratio of= 1.32:1
Low ratio of = 2.643:1

Compared to the manual-
High= 1:1
Low= 2:1

would it be possible to put the automatic transfer case into a manual and get whatever this reduction works out to be?

would someone be able to work out this reduction as a percentage please.

And If before 2006 was 4.09 diff ratio i could put in the diffs of a 2006 + VVT = 4.3
would someone be able to work out this reduction as a percentage please.

which would lower the gearing again.

Thanks,
Joel

[SierraDan]

As far as im aware the auto into manual transfer swap has been done before and was about 13% reduction if i remember correctly.
Fatzook posted the diff ratio percentage as 4.7% above.

[JuniorJoel]

So if i put in the 4.3 diff's and an auto transfer box i would have roughly a 4.7% reduction when driving at all times and then a 13% reduction + 4.7% in Low 4wd.

I that correct?

[J--A--C--K]

I'm not the best with knowing what works in what , but given the post above says the auto transfer is 1.32:1 and manual is 1:1 I would think that was a 32% diference . I could be very wrong , but it's worth a second thought.

[zukenutter]

J--A--C--K wrote:

I'm not the best with knowing what works in what , but given the post above says the auto transfer is 1.32:1 and manual is 1:1 I would think that was a 32% diference . I could be very wrong , but it's worth a second thought.

Yep, that's the way I figure it.

Non Vvt Jimny manual transmission transfer is 1.3:1. Vvt manual transmission transfer (push button) is 1:1

[burls]

http://www.lepayne.com/gears.html

As the saying goes teach a man to fish bla bla bla

check this link you can do it all yourself. There is others out there as well

[JuniorJoel]

So non- Vvt manual has a high of 1.3:1 and a low of 2:1

So in high there is very little difference,

But in low it is considerable reduced.

With a low ratio of 2.643:1, what size tires would it be possible to run comftorbaly?

[zukenutter]

Someone's been giving some rather conflicting info.
Check this for more accurate info. 2.643 low is only in Vvt transfer.

http://www.bigjimny.com/images/documents/transferboxratios.pdf


What size tyres are you hoping to run?

[JuniorJoel]

So is the Vvt transfer all electric, no stick. So it would not be possible to fit it into a non-Vvt jimny.

I was looking to run around 30's but was looking for a different way to do it other than transfer swap to a Sierra box.

[zukenutter]

Yep Vvt is all electric and a lot of trouble. You could swap to a Vvt gearbox for about 25% reduction but your highway speed will be affected. 31s would work reasonably well but still low'ish on the highway.
Sierra case with 4.16 gears would be a better way to go but there are hassles from old hardware.

[zukenutter]

Is your Jimny M motor or G motor?

[JuniorJoel]

it is a 2000 model jimny, manual, with the G13bb engine.

So if i swapped to a Vvt-gearbox i would get a 25% reduction overall, or just in high range.

Thanks for all your help so far,
Joel

[zukenutter]

Ah G motor. I don't know whether the Vvt box will mate with it.

[zukenutter]

Oh yeah 25% high and low.

[JuniorJoel]

So i need to get hold of a Vvt-gearbox and see how different it is from one for a G series. So if it works it will give a 25% reduction in high and low.

That's good!

Stupid question, if the Vvt model has this box, a slightly more powerful engine, how will this reduce it by 25% going into a G series Jimny?

Thanks,
Joel

[zukenutter]

VVT gearbox is geared lower then that model is geared back up at the transfer case. Transfer high range is 1:1

I haven't had a G Jimny but judging from the Big Jimny ratio guide it should work.

[JuniorJoel]

So i need to get hold of a Vvt gearbox, is basically what it comes down to.

If i can get it too fit i will get about 25% reduction

Which will be good for 31's?

Is there different model Vvt gearboxes (aka which year models should i be looking at?)

Thanks heaps zukenutter,

Very knowledgeable in this section

Joel

[zukenutter]

Like I said I don't really know anything for sure about G motored Jimnys.
If the transfer ratio and diff ratios were the same as my Non Vvt motored Jimny was, and if the gearbox bolts to the engine which I don't think they will it should work with 31s. Also the rear gearbox mount will probably need modification. It may end up a bit lower than a standard Jimny, 5% give or take.

Mubby bought my old 2006 Vvt gearbox for his 2010 so I imagine all vvts are same or very similar. He didn't mention noticing any ratio difference.

All I know is what I've discovered through trial and error. Certainly not knowledgable like a lot of people here though.

Are you planning

[Fatzook]

Do G13BB transfers swap to M13 gearboxes? Vice Versa? They are a different gearbox AFAIK.

[zukenutter]

Fatzook, I don't know if the transfers are the same, but I reckon there's a good chance they're the same, bigjimny guide shows same ratios and I don't think the G would use a coily transfer. Jimny has gearbox and transfer linked by an intermediate shaft so may need a modded Vvt shaft. Pretty sure the flanges will be the same. Shame I don't have my old gearbox I could've made a bell template and found a g motor to test it against.
The Vvt gearbox main output is a slightly different size spline to the non Vvt M.

Juniorjoel you'll be entering unknown territory with this swap.
Also you'd need to use a Vvt intermediate shaft which may need to be modified.

[Fatzook]

Hasn't Zukenutter done all this before?

[zukenutter]

Yes I have but in reverse and not involving anything which came from the factory with a G13BB.
Is my avatar confusing ?

[JuniorJoel]

Thanks Guys,

I will probably do what you were thinking and make up a template to see if the bell-housing will bolt up.

Yeah, i have seen that the rear end of the Vvt gearbox is different, but if i make a template and it works out that it would bolt up then i will give it a try.

Thanks again,
Joel

[Fatzook]

zukenutter wrote:

Is my avatar confusing ?

Yes. Didn't even notice it was you

[Bugsta]

Just for accuracy, although the specs say that a VVT auto Jimny T-case is 1.32 and 2.64, I have counted the teeth and the ratios are actually 1.27:1 and 2.54.

[monley]

The "m" series box won't bolt upto the g series motor. Just do the Seirra t-case swap and call it good. It would be ALOT less hassle than a gear box swap, less time in doing the coversion and you will be a lot happier with your gearing compared to the gear box swap (that won't work). Plus you are removing the chain drive transfer which tend to slip as they get older. JMO

[Bugsta]

I had an auto VVT box in and it slipped after 1 day at glasshouse. I pulled it and my manual box apart and discovered that the manual box chain is 5mm wider (and a few links shorter) which would make it stronger.

[JuniorJoel]

Okay then,

Well if the box doesn't fit i guess i will just have to source the parts and do a sierra transfer swap.

Thanks for all the help guys.

Joel