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Gearbox Rebuild
https://www.ausmini.com/forums/viewtopic.php?f=2&t=97514
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Author:  cooperess [ Fri Jul 20, 2018 11:10 pm ]
Post subject:  Gearbox Rebuild

Has anyone experienced rebuilding a 22G846 gearbox with the contents of a 22G1128 gearbox, in other words has anyone turned a 22G846 gearbox into a Mk2 4 synchro gearbox and if so what are the results. I ask the question because everything I have found on google says it is possible and I am thinking I will give it a go.

Author:  peterb [ Sat Jul 21, 2018 8:18 am ]
Post subject:  Re: Gearbox Rebuild

If google says you can then it must be true.

Author:  timmy201 [ Sat Jul 21, 2018 8:56 am ]
Post subject:  Re: Gearbox Rebuild

What is the aim of this? They are both 4 synchro gearboxes, the 22G846 just seems to be an earlier casting?

Author:  drmini in aust [ Sat Jul 21, 2018 10:25 am ]
Post subject:  Re: Gearbox Rebuild

I have rebuilt both they are practically identical.
I have also put A series early rodchange gearsets into 22G1128s, everything is the same except the reverse idler gear.

Author:  simon k [ Sat Jul 21, 2018 4:07 pm ]
Post subject:  Re: Gearbox Rebuild

cooperess wrote:
Has anyone experienced rebuilding a 22G846 gearbox with the contents of a 22G1128 gearbox, in other words has anyone turned a 22G846 gearbox into a Mk2 4 synchro gearbox and if so what are the results. I ask the question because everything I have found on google says it is possible and I am thinking I will give it a go.


what was the 22G846 fitted to out here?

the only 4 synchro remote gearbox casings I've come across have been 22G1128

Author:  drmini in aust [ Sat Jul 21, 2018 8:03 pm ]
Post subject:  Re: Gearbox Rebuild

Simon,
The one I rebuilt was out of a pov pack clubby 1100 I think.
It had the puddin stirrer long gear lever.

Author:  gtogreen1969 [ Sat Jul 21, 2018 8:20 pm ]
Post subject:  Re: Gearbox Rebuild

simon k wrote:
cooperess wrote:
Has anyone experienced rebuilding a 22G846 gearbox with the contents of a 22G1128 gearbox, in other words has anyone turned a 22G846 gearbox into a Mk2 4 synchro gearbox and if so what are the results. I ask the question because everything I have found on google says it is possible and I am thinking I will give it a go.


what was the 22G846 fitted to out here?

the only 4 synchro remote gearbox casings I've come across have been 22G1128


I have pics of 2. One was listed as a Pov Pack clubman and the other as a Morris1100. Info was from the sellers on Ebay.

Author:  Scoop [ Sat Jul 21, 2018 8:42 pm ]
Post subject:  Re: Gearbox Rebuild

I just picked one up last week. Previous owner put in a cooper s gearset in, central oil pickup and magic wand shift! Perfect for my 66 vans engine build! 8)

Author:  simon k [ Sat Jul 21, 2018 9:49 pm ]
Post subject:  Re: Gearbox Rebuild

Scoop wrote:
I just picked one up last week. Previous owner put in a cooper s gearset in, central oil pickup and magic wand shift! Perfect for my 66 vans engine build! 8)


very handy!

Author:  cooperess [ Sun Dec 09, 2018 5:23 pm ]
Post subject:  Re: Gearbox Rebuild

drmini in aust wrote:
I have rebuilt both they are practically identical.
I have also put A series early rodchange gearsets into 22G1128s, everything is the same except the reverse idler gear.

Is the reverse idler gear from a rod change box interchangeable with a remote change 4 synchro box?

Author:  timmy201 [ Sun Dec 09, 2018 5:53 pm ]
Post subject:  Re: Gearbox Rebuild

No, they are different.

Remote: 22G1034
Rod (pre A+): 22G1852

Author:  drmini in aust [ Sun Dec 09, 2018 6:55 pm ]
Post subject:  Re: Gearbox Rebuild

Re the use of Cooper S MK2 gears in a 4 synchro remote or rodchange box:

The 18T 1st motion shaft and 22G1040 cluster gear are getting scarcer and expensive now.
An alternative at around 1/2 the price is keep the original gears, and fit a 3.1:1 diff.
This gives you the same 1-2-3 gearing as an S, but a taller 4th. Better cruising on the motorway. :)
Edit typo

Author:  9YaTaH [ Mon Dec 10, 2018 8:26 am ]
Post subject:  Re: Gearbox Rebuild

drmini in aust wrote:
Re the use of Cooper S MK2 gears in a 4 synchro remote or rodchange box:

The 28T 1st motion shaft and 22G1040 cluster gear are getting scarcer and expensive now.
An alternative at around 1/2 the price is keep the original gears, and fit a 3.1:1 diff.
This gives you the same 1-2-3 gearing as an S, but a taller 4th. Better cruising on the motorway. :)


Clever Kev! 8)

Author:  cooperess [ Thu Apr 18, 2019 4:39 pm ]
Post subject:  Re: Gearbox Rebuild

Has anyone experience in using CLASSIC MINI - REVERSE GEAR STRAIGHT CUT - C-22A1736 in lieu of 22G1034. Are there any differences apart from the tooth count.

Author:  kiwiinwgtn [ Thu Apr 18, 2019 7:52 pm ]
Post subject:  Re: Gearbox Rebuild

9YaTaH wrote:
drmini in aust wrote:
Re the use of Cooper S MK2 gears in a 4 synchro remote or rodchange box:

The 28T 1st motion shaft and 22G1040 cluster gear are getting scarcer and expensive now.
An alternative at around 1/2 the price is keep the original gears, and fit a 3.1:1 diff.
This gives you the same 1-2-3 gearing as an S, but a taller 4th. Better cruising on the motorway. :)


Clever Kev! 8)
They go good. I run the same spec under my 1360.

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