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cooperess
 Post subject: Gearbox Rebuild
PostPosted: Fri Jul 20, 2018 11:10 pm 
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Location: Brandy Hill, NSW
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.
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peterb
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 8:18 am 
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If google says you can then it must be true.
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timmy201
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 8:56 am 
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Location: Wollongong, NSW
What is the aim of this? They are both 4 synchro gearboxes, the 22G846 just seems to be an earlier casting?

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drmini in aust
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 10:25 am 
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Location: near Baulkham Hills, NSW
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.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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simon k
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 4:07 pm 
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Location: Wodonga - Vic/NSW border
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

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drmini in aust
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 8:03 pm 
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Simon,
The one I rebuilt was out of a pov pack clubby 1100 I think.
It had the puddin stirrer long gear lever.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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gtogreen1969
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 8:20 pm 
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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.
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Scoop
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 8:42 pm 
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Location: Tassie
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)

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simon k
 Post subject: Re: Gearbox Rebuild
PostPosted: Sat Jul 21, 2018 9:49 pm 
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Location: Wodonga - Vic/NSW border
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!

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cooperess
 Post subject: Re: Gearbox Rebuild
PostPosted: Sun Dec 09, 2018 5:23 pm 
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Location: Brandy Hill, NSW
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?
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timmy201
 Post subject: Re: Gearbox Rebuild
PostPosted: Sun Dec 09, 2018 5:53 pm 
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Location: Wollongong, NSW
No, they are different.

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

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drmini in aust
 Post subject: Re: Gearbox Rebuild
PostPosted: Sun Dec 09, 2018 6:55 pm 
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Location: near Baulkham Hills, NSW
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

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


Last edited by drmini in aust on Fri Mar 01, 2019 4:28 am, edited 1 time in total.

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9YaTaH
 Post subject: Re: Gearbox Rebuild
PostPosted: Mon Dec 10, 2018 8:26 am 
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Location: Sthrn HiLoLands, NSW, Australia
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)

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cooperess
 Post subject: Re: Gearbox Rebuild
PostPosted: Thu Apr 18, 2019 4:39 pm 
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Joined: Wed Sep 30, 2015 9:38 am
Posts: 1572
Location: Brandy Hill, NSW
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.
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kiwiinwgtn
 Post subject: Re: Gearbox Rebuild
PostPosted: Thu Apr 18, 2019 7:52 pm 
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Joined: Sun Feb 20, 2005 8:11 pm
Posts: 1347
Location: Wellington,
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.

Sent from my SM-J530Y using Tapatalk
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