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BigJimny Meet 2019 (17 May 2019)

BigJimny Meet and off-road driving day



20TH OCTOBER 2019

BOOK NOW (BOOKING CLOSES EARLY OCTOBER!!) - CLICK HERE


See HERE for details - See HERE for discussion


Noggin and Natter - pre-event chat - Old Bell at Grazeley (part of hotel) 7:30pm 19th October

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Front and rear diff differences

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16 Oct 2017 19:33 #185304 by Paulig174
Are the ratios different on the the front and rear diffs of the Suzuki Jimny?particularly the the G13bb version and are the differences made up for in the transfer box or is there a reason for the differences. I know you can't drive on the road in 4wd. Wud towing a load a short journey in low range do much harm.like 100 mtetres max I mean.
I know very little about 4x4s as I am new to it.i bought my Jimny last November and rebuild my Engine,done clutch and electronics and upgraded radiator and just worked out the bugs lately so only getting to drive it now

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16 Oct 2017 19:48 #185305 by jackonlyjack
if you have stick transfer box
you would benefit from the 2low modification maybe

Jack

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16 Oct 2017 20:17 #185307 by Paulig174
Is that a big job? I heard there are transfer boxes out there with lower low and higher high ratios with pots as well. Probably hard to find.im just wondering why Suzuki didn't use same ring gear I never both axles.the the different ratios a benefit for off road traction or something?ive seen a video wher a Jimny toes a lorry with 10 Jimny son the back in low 4wd on tarmac.it must be a tough machine

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16 Oct 2017 20:22 #185309 by Paulig174
I just watch the video.wow that's a class mod.how is the 4wd engage so?is it a solonoid or something.

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16 Oct 2017 20:51 #185310 by jackonlyjack
Diff ratios should be the same front/rear
4wd system works on vacuum with solenoids

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17 Oct 2017 06:26 #185315 by Lambert
The difference between the two differentials is in size not ratios. The 4x4 system opperates by double isolation of the front wheels, firstly drive is disconnected in the transfer box to the front propshaft and diff secondly the front diff and halfshafts are disconnected in the hubs using a vacuum system. This vacuum system is not the most robust thing in the world and can easily develop leaks causing 4x4 malfunction. There are a few ways to combat this first is to keep the pipes and actuators well maintained and regularly inspected or block them off and fit manual free wheel hubs or modify the Vacuum hubs so they remain locked. Manual hubs offer the option to have 2low but at the price of having to get out of the car to engage 4x4. As mentioned above the other route to 2low is the electrical route of interruption of the signal sent from the transfer box to the vacuum controller so that it doesn't activate the hubs. Obviously neither of these work with modified locked hubs as there's then only one isolation point for the drive in the transfer box. Personally I have manual hubs.

Dreadnaught (black 2011)

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17 Oct 2017 14:28 #185325 by rappey
Towing your load would depend on traction.
If your on paved then surely 2wd will provide enough grip, and if a surface where the wheels can spin then 4wd fine.

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17 Oct 2017 19:28 #185341 by Jimnyshaun
would the 2wd low mod work when running a 410 transfer in a jimny?

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17 Oct 2017 20:57 #185350 by Busta
The 410 transfer box doesn't have a switch to control the hubs, but with slightly different wiring you could use a switch to control them and achieve the same thing.
The following user(s) said Thank You: Jimnyshaun

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