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Fitting a rock lobster (SJ) transfer box in a Jimny...

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13 Jul 2020 15:58 - 13 Jul 2020 16:01 #225000 by X8GGY
Spine finally arrived -



Four weeks delivery for a stock item :(

Ah well, good job I wasn't in a rush for it...

That will brace the transfer box and will be built into the eventual bucket / cradle... B)

Is that buggy finished yet?...
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Last edit: 13 Jul 2020 16:01 by X8GGY.

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14 Jul 2020 07:23 - 14 Jul 2020 07:30 #225036 by X8GGY
Another day, another parcel...



A Samurai intermediary prop (gearbox to transfer box)

Compared to the Jimny prop -





Hmmm, 9cm difference (I measured 7cm difference in input flange positions)... that will explain why my previous Jimny needed a 12mm prop spacer ;)

Is that buggy finished yet?...
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Last edit: 14 Jul 2020 07:30 by X8GGY.

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14 Jul 2020 09:08 #225041 by sniper
Just a note to let you know that I don't need that manual transfer box Dave, thanks for the kind offer.....

I have managed to sort one in a sideways deal for my R72 stuff....

Thanks again,

sniper
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14 Jul 2020 09:56 #225045 by zukebob
As I am getting all of the pieces together to do the same job (except I was lazy and bought a mount) would you be able to do me a favor Dave? If you still have the Samurai intermediate shaft laying about, would you be able to take a measurement of the overall length?

Thanks

I started out with nothing & still have most of it left

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14 Jul 2020 10:02 #225046 by mlines
Keep an eye on the other end as well.

You can see in the picture that the "collar" and "shaft" are slightly different meaning it sits slightly different into the gearbox. I would, if possible, do the measurements with it sat into the gearbox front end. I allowed 5mm "end float" in the way it sits into the gearbox when getting the prop length changed.

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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14 Jul 2020 11:07 #225054 by X8GGY

sniper wrote: Just a note to let you know that I don't need that manual transfer box Dave, thanks for the kind offer.....

I have managed to sort one in a sideways deal for my R72 stuff....

Thanks again,

sniper


No problem matey ;)

Is that buggy finished yet?...

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14 Jul 2020 11:14 #225055 by X8GGY

zukebob wrote: As I am getting all of the pieces together to do the same job (except I was lazy and bought a mount) would you be able to do me a favor Dave? If you still have the Samurai intermediate shaft laying about, would you be able to take a measurement of the overall length?

Thanks


Will do... should have some time off this afternoon (UK time) ;)

Dave

Is that buggy finished yet?...

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14 Jul 2020 14:34 - 14 Jul 2020 14:36 #225065 by X8GGY
Here you go Zukebob (and anyone else that needs this info)



At the top is a Saurai intermediary prop, and at the bottom a standard* Jimny one...

The Samurai one is 36cm from the flange to the end of the dust cover
The Jimny one is 46cm for the same measurement

Ref Martin’s cautionary comment, the dust cover and splined connectors are both the same on each prop*

*measurements based on a standard Jimny intermediary propshaft, other models (diesel / R72 etc) may differ?

Hope that helps?!

So we’d have to lose 10cm / 4” out of a standard intermediary prop?

This Samurai seems okay, the UJs are sound (as they usually run in a pretty straight line anyway) so I’m thinking of sacrificing the Jimny one, to cut it “in half” and see if it’s hollow and whether ‘we’ could source seamless tube the right size to make a sleeve to shorten the prop accordingly.... :ohmy:

Is that buggy finished yet?...
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Last edit: 14 Jul 2020 14:36 by X8GGY.
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14 Jul 2020 15:31 #225066 by jackonlyjack
B) So taking into consideration we fit a spacer, so i would need 88mm taken out the middle correct ?

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14 Jul 2020 16:41 - 14 Jul 2020 16:49 #225073 by X8GGY
The spine attached...



Using 8mm c 45mm cap head bolts with spring washers...



And there’s good scope to fix the spine to a bucket mount yet to be designed (when the jig is made) -




Is that buggy finished yet?...
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Last edit: 14 Jul 2020 16:49 by X8GGY.

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14 Jul 2020 16:55 #225075 by mlines

X8GGY wrote:
Ref Martin’s cautionary comment, the dust cover and splined connectors are both the same on each prop*


Thats deceptive then in your pictures. There are certainly at least two different length intermediate props on the SJ, a "short" prop and a "long" prop and I have not seen any measurements before to confirm the difference. There are also different intermediate props on the Jimny between the older gearbox and the newer one as well as the autos.

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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14 Jul 2020 18:17 - 14 Jul 2020 21:42 #225082 by X8GGY
I’m just documenting my own findings... I don’t profess to be an expert, hence the disclaimer in bold that this is what I have found with the props I have and my previous Jimny...

”Other props are available” ;)

Is that buggy finished yet?...
Last edit: 14 Jul 2020 21:42 by X8GGY.

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