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| Jimny with sierra transfer gear reduction https://auszookers.com/forum/viewtopic.php?f=5&t=33222 |
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| Author: | lordviper556 [ Wed Jun 06, 2012 3:39 pm ] |
| Post subject: | Jimny with sierra transfer gear reduction |
Thought i would start a thread as i cant find the info im looking for. I have a 2004 jimny with 30" tyres and im going to install a W/T transfer using the Offroad Armoury kit. What I want to know is what sort of reduction will i get with the std W/T transfer. I was looking at getting some of these gears but idk if they will be ok with the std jimny gearbox and diff ratios. http://www.lowrangeoffroad.com/index.php/suzuki/samurai/transfer-case/4-16-1-tcase-gears.html any help would be great. |
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| Author: | 31zook [ Wed Jun 06, 2012 5:16 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
read these. viewtopic.php?f=5&t=29318&hilit=build+plan http://auszookers.com/forum/viewtopic.p ... 83&start=0 i like slow rock crawling, so 4.16 ain't low enough for me, but do do a good job on the highway. 4050-4100rpm @ 100kms on 235s. |
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| Author: | suzooky87 [ Wed Jun 06, 2012 6:46 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Correct me if i am wrong........ Providing you have 4.09 diff gears and a transfer ratio of 1.32:1 in high and 2.145:1 in low (I believe you do), you will get exactly 6.7% reduction from the case and 5.734% in low from the W/T case. when you get gears just get the 4.16 gears  that will give you 19.7 % reduction in high and 93.939% reduction in low, perfect for 31" tyres cos that is 19.2% bigger. 30 is 15.4% bigger than the standard 26" tyres. I have been looking into this exact thing today. 
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| Author: | lordviper556 [ Wed Jun 06, 2012 7:05 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
suzooky87 wrote: Correct me if i am wrong........ Providing you have 4.09 diff gears and a transfer ratio of 1.32:1 in high and 2.145:1 in low (I believe you do), you will get exactly 6.7% reduction from the case and 5.734% in low from the W/T case. when you get gears just get the 4.16 gears that will give you 19.7 % reduction in high and 93.939% reduction in low, perfect for 31" tyres cos that is 19.2% bigger. 30 is 15.4% bigger than the standard 26" tyres. I have been looking into this exact thing today. im not sure if your right or wrong but thats the sorta info im after. guess there would be nothing wrong with getting the 4.16 gears except it might be a bit high in high range |
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| Author: | SierraDan [ Wed Jun 06, 2012 7:35 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
There's the option of 4.9's
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| Author: | lordviper556 [ Wed Jun 06, 2012 8:02 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
think 4.9 would be to much high range reduction, would be awesome off road tho |
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| Author: | jimny_timmy [ Wed Jun 06, 2012 8:36 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
suzooky87 wrote: Correct me if i am wrong........ Providing you have 4.09 diff gears and a transfer ratio of 1.32:1 in high and 2.145:1 in low (I believe you do), you will get exactly 6.7% reduction from the case and 5.734% in low from the W/T case. when you get gears just get the 4.16 gears that will give you 19.7 % reduction in high and 93.939% reduction in low, perfect for 31" tyres cos that is 19.2% bigger. 30 is 15.4% bigger than the standard 26" tyres. I have been looking into this exact thing today. Dunno about the %'s for the gears etc, but 30's are 14.07% difference and 31's are 17.79%
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| Author: | suzooky87 [ Wed Jun 06, 2012 9:00 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
True, i forgot that 205/70 R15 = 26.3 i just did 26 :/ Fixed: So, here are my calculations for a jim with 4.09 diff gears and a transfer ratio of 1.32:1 in high and 2.145:1 in low. Correct me if i am wrong again........ TYRE SIZE - PERCENTAGE INCREASE 30" - 14.068% 31" - 17.871% 32" - 21.673% 33" - 25.475% LOW/HIGH RATIO - RATIO PERCENTAGE INCREASE ("Reduction") 4.16/1.58 - 93.9/19.7% 4.9/1.635 - 128.438/23.864% 5.14/1.667 - 139.627/26.288% 6.4/1.649 - 198.368/24.9% 6.5/1.692 - 203.03/28.182% |
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| Author: | SierraDan [ Wed Jun 06, 2012 9:04 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Put 3.9's in run 4.9's |
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| Author: | jimny_timmy [ Wed Jun 06, 2012 9:09 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
SierraDan wrote: Put 3.9's in run 4.9's huh? |
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| Author: | suzooky87 [ Wed Jun 06, 2012 9:18 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Good luck finding a 3.9 diff gear set that fits in a jimny front................ |
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| Author: | zooky08 [ Wed Jun 06, 2012 9:19 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
SierraDan wrote: Put 3.9's in run 4.9's Can't in a Jimny |
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| Author: | SierraDan [ Wed Jun 06, 2012 9:25 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
If a jimny locker can be modded to fit a Coily.. Why can't a jimny centre work with Coily gears? Cut and shut some gear sets. Look out side the box, or handle the fact you'll have To go 5kms slower on the freeway. |
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| Author: | suzooky87 [ Wed Jun 06, 2012 10:25 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
You have got me thinking though............ 3.9's would be good with 6.4's and 32"................ more and more mods. |
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| Author: | 31zook [ Thu Jun 07, 2012 9:03 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Good bye CVs. |
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| Author: | lordviper556 [ Thu Jun 07, 2012 5:18 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
my speedo reads 10kph to slow atm anyway lol. well i think ill just got a set of 4.16 gears and see how it goes. |
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| Author: | zukenutter [ Thu Jun 07, 2012 8:17 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
I think 4.16 will be perfect. Highway will be almost perfect and low will be much lower than what you have now. |
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| Author: | suzooky87 [ Thu Jun 07, 2012 8:21 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
31zook wrote: Good bye CVs. Most defiantly, would have to get some chromo's of some sort sorted
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| Author: | lordviper556 [ Thu Jun 07, 2012 8:55 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
zukenutter wrote: I think 4.16 will be perfect. Highway will be almost perfect and low will be much lower than what you have now. i pretty much have no reduction, its not fun going down hills! |
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| Author: | SierraDan [ Fri Jun 08, 2012 12:17 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
There's a pedal in the middle. It slows your car down. |
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| Author: | Bugsta [ Fri Jun 08, 2012 7:05 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
SierraDan wrote: If a jimny locker can be modded to fit a Coily.. Why can't a jimny centre work with Coily gears? Cut and shut some gear sets. Look out side the box, or handle the fact you'll have To go 5kms slower on the freeway. Jimny front is High Pinion and therefore completely different teeth meshing than rear. It would take some highly sophisticated (and expensive) machinery to make a new R&P, not to mention CAD design. If it were easy, it would have ben done by now. |
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| Author: | Bugsta [ Fri Jun 08, 2012 7:08 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Ok, I may have misunderstood what was being suggested a little. Point remains... Front is High Pinion and hence completely diferent. |
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| Author: | monley [ Fri Jun 08, 2012 7:32 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
He was talking about using a coily 3.9 front diff center as they are 3.9 and are high pinon mount to. |
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| Author: | SierraDan [ Fri Jun 08, 2012 10:28 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
I wouldn't have thought it would be done by now because as far as I'm aware only recently have many people been putting Sierra cases in their jimny where you can get big reduction. If I'm wrong, fine. If not, then you guys have another option to think about. |
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| Author: | monley [ Fri Jun 08, 2012 10:32 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
I looked into it already....from what fatzook was saying....it wouldn't work |
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| Author: | SierraDan [ Fri Jun 08, 2012 10:34 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
How come? |
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| Author: | monley [ Fri Jun 08, 2012 10:51 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
Cant remember of the top of my head and don't have the PMS anymore. Hopefully Pete will chime in... |
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| Author: | lordviper556 [ Sun Jun 10, 2012 1:55 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
just ordered the 4.16 gears from low range 
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| Author: | Scales [ Sun Jun 10, 2012 3:35 pm ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
make sure you get plenty of pics to show us all of the swap! |
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| Author: | superior jimny [ Mon Jun 11, 2012 11:51 am ] |
| Post subject: | Re: Jimny with sierra transfer gear reduction |
I used to have series 3 rockhopper gears in my jimny but after destroying them i have installed the trail creeper 6.5:1 gears. I run 31's and find them fantastic. On the highway i sit on just over 4000rpm. The car is mainly used for offroad and the control gained from the gears gives it an awsome ability offroad. It makes it so much safer on those really steep descents you can actually use the accellerator and is great to crawl through rocks with. Look forward to seeing how you get on with your gears. |
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