Are you building a Mud Monster or a Pavement Princess??
If so you can have your own thread in this section.
This section on other websites has led to arguments and contention. People are posting pictures of their pride and joy and therefore CONSTRUCTIVE comments only please!

Dave’s long-term Lil’Bugga Buggy Build

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26 May 2021 13:39 - 26 May 2021 13:45 #235402 by X8GGY
I wasn't doubting you Roger, I was inquisitive... 

 

Indeed, a front diff does look symetrical...

 

This is the diff installed  in the casing the right way round, "high pinnion" (Pinnion at the top)

 

I slotted the axle casing to allow for the clearance for the crown wheel to fit with the diff flipped...

And indeed, it doesn't fit...

 

As Roger indicated, to flip the diff I'd also have to flip the "front cover"... as it's shaped to suit...

That's probably easier than cutting both axle tubes off the diff pumpkin and flipping the diff with the casing though? As that would mean moving the diff drain plug as well... Hmmm, have to sleep on that one... I do have another front axle casing hanging around the garage though, I could just cut the diff drain plug out of it and graft it in after flipping the whole diff and it's pumpkin... the axle tubes will be re-welded to the pumpkin with braces fitted anyway, so that might be easier than cutting and welding the front cover then? And tidier...

 

From the inside...

THANKS Roger... food for thought! :)
Last edit: 26 May 2021 13:45 by X8GGY.

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26 May 2021 14:12 #235403 by Roger Fairclough
Fortunately, the stud holes appear to line up.

Roger
The following user(s) said Thank You: X8GGY

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26 May 2021 16:44 #235405 by Riccy
I still think just spinning the diff round wont help the direction it rotates im afraid.

Is it possible to interchange the ring and pinion gears to those of a rear one, which would sort it out and possibly let you keep the high pinion casing?

I would be tempted to just use a rear diff in the front casing you shorten for the back. I know it wont have high pinion, but it will go the right direction and you can still have the rear steering...

J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp

Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...

www.youtube.com/user/riclemus

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26 May 2021 17:45 #235408 by Roger Fairclough
Yes it will.
The pinion remains where it is and the crown wheel changes sides.
If the pinion rotates clockwise and the crown wheel is on it's left the shafts are in reverse. Crown wheel on the right and shafts turn forward.

Roger

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26 May 2021 20:09 #235418 by Baloo
Replied by Baloo on topic Dave’s long-term Lil’Bugga Buggy Build
 

During a WhatsApp conversation with Riccy he pointed out that the rear front axle will turn the wrong way... (and try and tear the lil'bugga apart!) I'd thought about if for a while in the shop, weirdly twirling my fingers trying to work out the rotation of the  props, etc. and thought it would work!  But no worries -


are you sure that is correct ?

if you put your head where the transfer box out put is and look forward the front prop turns anticlockwise to move the vehicle forward ?
now  move that diff to the rear and look backwards at it   the prop now needs to turn clockwise to move the vehicle forwards ?  which is how the props rotate as they leave the transfer box >  so by turning the diff through 180 deg to fit in the rear the drive is maintained in the right direction ?

i will need to fiddle with an axle to confirm or deny  that lol  

 

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26 May 2021 20:16 #235421 by Baloo
Replied by Baloo on topic Dave’s long-term Lil’Bugga Buggy Build
this seems to suggest a rear fits in the front ?

rear diff to front? - BigJimny Forum

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