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BigJimnyMeet (North) 2024 (12 Jan 2024)


BigJimnyMeet 2024

14th July 2024
Parkwood Nr. Leeds

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Transfer Box Mounts (Again probably)

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25 May 2011 09:42 #16923 by Johnniehec
Broke the drivers side (long) transfer box mount again on Sunday :( , (two trials in a row) definitely have to make something stronger. :unsure: My question is if I buy/make heavy duty steel mounts for the standard Jimny (mechanical select) transfer box and fabricate plates between them around the transferbox for protection and strength will I be able to fit an SJ410 transfer box, when I find one, using the same "bucket"?
Or put it another way does a SJ box fit a Jimny using the standard transfer box mounts or are the bracket to box bolt paterns/angles different?
Cheers in advance John.:cheer:

On the 8th Day God made the LandRover -
On the 9th day he swapped it for a Jimny.

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25 May 2011 10:09 #16926 by maverick
i have a Rob Storr SJ 6:1 T-case conversion on my Jimny, and also a Rob Storr T-Case/Bucket case. Seems to look after everything down there!!

Jalapeño, IISY?

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  • darthloachie
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25 May 2011 10:43 #16930 by darthloachie
Replied by darthloachie on topic Re: Transfer Box Mounts (Again probably)
I think the mounting points are different hence the speicalists selling the h/d fitting kits
I would go for repairing the standard mounts if you can and then fitting a transfer box guard like the one on jimnybits.
When you get a rocklobster then you get the new mounts and can refit the guard
if you get a rocklobster from Redacted then the mounting bracket comes with a shield and you could then sell your guard on here or ebay

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25 May 2011 13:45 #16934 by mlines
The mounting points are different so any combined mounting hardware you fabricate/buy for a Jimny t-box will not fit an SJ t-box vehicle.

A separate guard that fits on the mounting points on the chassis rail will not have this problem as it is independant of the mounts on the transfer box itself, however if the SJ transfer box bottom sits lower than the Jimny it could foul the plate.

The Redacted solution has one key advantage in that it has the bucket in which the transfer box sits. This bucket bypasses some of the strain that in other systems passes through the transfer box case itself. There are some pictures around of fractured transfer box cases although it has not happened to me on my car and mine has mounts that use the transfer box case as part of the solution.

Martin

2003 M13 early KAP build.
3" Trailmaster lift with 1.5 Spacers on front
Customised winch bumper and roll cage
235/85R16 Maxxis Bighorns on 16" Rims, 4:1 Rocklobster, Rear ARB locker and on-board air
Corrected arms all-round, rear disks, Recaro seats and harnesses

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  • jimny5
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25 May 2011 14:07 #16935 by jimny5
Replied by jimny5 on topic Re: Transfer Box Mounts (Again probably)
Did you actual hit somthing or did it just fail under stress.

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25 May 2011 14:43 #16936 by Johnniehec
Mlines, thanks that's the answer i was after, If I do make a "bucket" for the jimny box i can always sell it if I buy or get one for a SJ box at a later date. I want to go that way rather than the separate flat skid plate (which would work with either) because I want maximum clearance underneath and the skid plate is lower all the way across than the bottom of the box.
Jimny5, First time put the front wheels too far in the air, when it landed the weight of the transfer box broke the mount. In this instance due to the laws of physics it broke in front of the bolts on the box tilted down at the front till the front prop rested on the cross member and I carried on with the trial, was just a bit "rumbly" in 4WD but fine on the way home in 2WD (auto hubs disengaged, front prop not turning). Second time, driving over large rocks, rock pushed the Transfer box up and the bracket broke behind the bolts on the box causing the box to tilt backwards and the transfer lever to be pushed back into 2H. Game over, till I tied it up with the ever adaptable rachet strap and a couple of tie wraps and carried on with the trial! This Sunday was a repeat of the "wheels in the air" problem. My fear is if I replace with a steel bracket I'll break the casing instead and so far I've only paid £20 for replacements off Fleabay which is a lot better than replacing the transfer box. My plan is to build a "bucket" similar to the "lobster bucket".

On the 8th Day God made the LandRover -
On the 9th day he swapped it for a Jimny.

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27 May 2011 11:04 #16990 by Johnniehec
I'm planning something like the basket by Zanfi, I couldn't find it yesterday but I have now.



On the 8th Day God made the LandRover -
On the 9th day he swapped it for a Jimny.
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01 Jun 2011 20:12 - 01 Jun 2011 20:22 #17199 by kirkynut
A skid plate will not reduce your ground clearance as it will only be a half inch clear of your transfer box!

So a flat plate really is a good solution to your standard transfer box woes. If you don't get one you will damage your transfer box as you fear you will.

The bucket type protection really only works for Rocklobsters, which are an SJ transfer box really.

Otherwise, you may as well go the skid plate protection route. They sit levelish with the chassis, so what ground clearance ar you losing?

I have one or two KAP SJ heavy duty transfer box mounts you can have for the price of their postage to see if they will fir on a standard transfer box without lifting it too high. If they work you could order some from KAP without wasting any money, as I have when trying to get them to work with a Rocklobster. I only have one or two as I had to kill one as they won't work with a Rocklobster and it was an experiment.

Alternatively I would look at these: www.jimnybits.co.uk/shop/jimny/jimny-tra...x-guard/prod_22.html

Or I still have my old ASFIR skit plate style guard you can have for £30 + postage as it's no good to me with my Roclobster now and will make a cheaper alternative to that above, and will show you that you don;t lose ground clearance but still protect your transfer box.

My one has been used and has been hit, so don't expact it to look like new, but it will stop the trouble you're having now!


Send me PM if you want to try my KAP transfer box mounts or want to buy my skid plate.

Kirkynut

The underdog often starts the fight, and occasionally the upper dog deserves to win - Edgar Watson Howe.

My Jimny Thread Here: www.bigjimny.com/index.php/forum/8-my-ji...on-continues?start=0
Last edit: 01 Jun 2011 20:22 by kirkynut.

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