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Just came back from a beach trip My mate has put 30" muds on his Jimny and it has farked the gearing
In the really soft stuff where it used to plug away in 2nd low it is now a little too tall and has to use 1st low. He has plans to go to 31's but get rockhoppers at the same time in the near future which should see it all fixed but he swore blind to me that the reduction gearing wouldn't help his high range and it would suck on road.
I don't actually know but am assuming the Jimny chain driven case would be swapped out for a sierra (1.3?) gear driven case and sierra gears used, is this right?
Therefore the sierra gears would lower the high range by a % depending on the series which should give him standard road gearing + good crawl gearing, correct? I wasn't just talking out my arse was I?
Series 3 Rockhopper.....171% down on low range.....21% down on high range, Claudio has already done it....awesome! Road gearing is back to normal, even better pickup off the lights.
Once Liam gets his butt into gear, mine will be done...can hardly wait!!!!!
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
I got chatting to a fellow at the club meeting last night who has just bought a jimny - so i'm trying to hunt down a little bit of info about them. One of the questions was gearing...
mj wrote:I don't actually know but am assuming the Jimny chain driven case would be swapped out for a sierra (1.3?) gear driven case and sierra gears used, is this right?
Can someone confirm that this is the case please?
And if so, could you perform all the Coiler Type Mods to the x-fer case too? i.e. run a 1L case, or a 1.3L case with a hopper etc?
greg wrote:I got chatting to a fellow at the club meeting last night who has just bought a jimny - so i'm trying to hunt down a little bit of info about them. One of the questions was gearing...
mj wrote:I don't actually know but am assuming the Jimny chain driven case would be swapped out for a sierra (1.3?) gear driven case and sierra gears used, is this right?
Can someone confirm that this is the case please?
And if so, could you perform all the Coiler Type Mods to the x-fer case too? i.e. run a 1L case, or a 1.3L case with a hopper etc?
Yep you can ... the gear drive case can be swapped into the Jimny and all the gearing options that go along with it ..
" If governments are involved in the covering up the knowledge of aliens, Then they are doing a much better job of it than they do of everything else "
love_mud wrote:Yep you can ... the gear drive case can be swapped into the Jimny and all the gearing options that go along with it ..
Sweet... So i gather it would just be a matter of swapping over flanges and stuff as per doing the x-fer case swap in the coiler right?
You gather correct ...
" If governments are involved in the covering up the knowledge of aliens, Then they are doing a much better job of it than they do of everything else "
My Series 3 is in now................LOVE IT!
Liam, what was the go with the flanges and shafts, cant remember.....we used the Jimny front shaft with the rear and jack being the Sierra ones?
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
Curently running 30's but once the body lift is done, we are doing some cutting to run 32's - probably Simex's.
At the moment Stimpy has a 4" suspension lift (Rancho RS9000's with rose joints on the rear), BFG KM 9rs, adjustable panhard, RTC Steering stabiliser, Rockhopper Series 3 - using Sierra transfer case, Snorkel, 2 inch sports exhaust, diff & transfer case breaters and a sports steering wheel.....with more to come Check out my web page - Jimnyworld.com - go to the gallery section and there are heaps of Jimnys worldwide with specs listed.
I think Adam is working on the site today (upgrading) so it may not be working properly until tonight.
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
Yep...I tend to get my parts from either Big Balls or 4way Suspension, Simon has been really helpful with ironing out a few technical issues...
Luigi, thanks for the link, this is a good option for mud running, some of the guys on my website run these over in Singapore......a little to high for ascent/descent work, but they would be good for beach work.
The series 1 Rockhopper is good for beach work and mud too.
Last edited by Squik on Thu Feb 12, 2004 2:39 pm, edited 1 time in total.
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
If you were giving advise to someone about buying some agressive tyres for a Jimny - and they had already decided that they were not going to lift the car or change the gearing, what would be the biggest tyre they could fit under the car that would not stuff up the gearing of the car? i.e. a 28"?
I used to run 215/75/r15's BFG Muddies with a 2inch Toughdog suspension lift - this config appears to be the perfect hassle-free setup, no dramas with suspension, gearing etc. Everyone that has this setup is extremely happy with it both on and offroad. I found the 2" was good for the beach too, just that little bit extra clearance, didnt bottom out as much. And it works well too:
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
Nope....haven't needed them, so far, but Greg wants to put air lockers in after we put the 32's on....I think the ones he has in mind are ARB. He wanted me to learn to drive without them first so I wouldnt rely on them....
DRS smells like a cat-food milkshake... and wet socks... and gorgonzola cheese... all whizzed up in a blender
yeah ARB were going to machine up the shim at the end of next week and that was about 12 months ago. it appears a certain suzuki buggy ex owner, tuff truck entering, purple and red loving, guy may be coming to the rescue. All down to if paul has the $ at the moment
Mounting the transfer isn't as easy as it looks, we still don't have squik's one 100% yet. A kit will be available very soon with a skid plate/ crossmember you need as a complete bolt in unit-this'll make it a peice of cake, the kit'll have a speedo drive adapter, a blanking plate for the old speedo drive , a tailshaft spacer and all the bolts required. Other than that you'll need to get yourself a siera case, a front sierra tailshaft (that'll become your rear jimny shaft) and the flanges for the sierra case.
Hey Squik - Johny joints for the jimny rear trailling arms turned up today!
my experience with jimny gearing started with the apio planetary gear
pros
it works great off road
cons
it is not cheap
it lowers only the low range and, if you have tyres taller than 215/75/15, driving in 2high/4high it is a pain
i foung it a little noisy
after some time i decided to swap the jimny t-case for a babylobster (410) t.case and get some 4.1 gearing
pros
you get both high range and low range lowered, low range is very lowered (way to go if you like rock crawling)
you can fit and pull tyres larger then 215/75/15
cons
it is a very expensive solution, even more expensive than the apio choice
it is not an easy job and you have to butcher your jimny transmission
you get a lot of noise and vibes
in my opinion this choice is valid only for a jimny that sees the pavement almost never
then i decided to build a new low gear kit for the jimny tcase that lowers both high and low range.
after r&d and test on my jimny, i came to the conclusion that a 24% reduction is the way to go for an all-around jimny
pros
it is a pretty cheap solution
it is a bolt in kit and it takes two hours to swap the gears
good for up to 31" tyres because you get 24% reduction both in high and low range
cons
24% low range reduction could not be enough if you are into rock crawling and your tyres are larger than 31"
My mate has put 30" muds on his Jimny and it has farked the gearing 
