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Gearbox Casing Numbers
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Mini4Ever
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Joined: Saturday March 17th, 2007
Location: Netherlands
Posts: 511
 Posted: Tuesday April 15th, 2008 07:16 pm
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lokie wrote: Can anyone help with my 1st/2nd gear which has stamped on it 22G432 and engraved (badly) 22G439

What exactly do you want to know?

Anyway, what you discribe, ie the numbers and they way they are engraved, is correct and original for a late 333 box.

lokie
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Joined: Monday July 16th, 2007
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 Posted: Tuesday April 15th, 2008 07:38 pm
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Yes thanks, that's a useful site. I have rechecked the numbers in the daylight and it is definately a  22G439 with 32 teeth and I can't find any reference to that number anywhere on google ! Any more thoughts?

lokie
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Joined: Monday July 16th, 2007
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 Posted: Tuesday April 15th, 2008 07:45 pm
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All I am trying to do is identify the part number of a replacement gear as 22G439 is not found on Somerford, Minispares or minisport, any ideas?

Mk 3 S Meister
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Joined: Friday September 2nd, 2005
Location: Leafy Warwickshire, United Kingdom
Posts: 1063
 Posted: Tuesday April 15th, 2008 08:12 pm
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It might be from a Morris Minor in which case it won't mesh properly with your laygear and amke it very noisy in 1st gear.

Mini4Ever
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Joined: Saturday March 17th, 2007
Location: Netherlands
Posts: 511
 Posted: Wednesday April 16th, 2008 07:32 pm
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The original part number that you are looking for is 22G440 (don't ask why the marking is 22G439), which you can find under number 22A1021 nowadays.

Last edited on Wednesday April 16th, 2008 07:33 pm by Mini4Ever

lokie
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Joined: Monday July 16th, 2007
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 Posted: Monday April 28th, 2008 08:48 pm
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One more question for you Guys, can the 22G1119 1st gear ring from the Midget be used, it looks the same and some dealers are offering it as an alternative to 22G1021, its also a bit cheaper !!

Mini4Ever
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Joined: Saturday March 17th, 2007
Location: Netherlands
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 Posted: Monday April 28th, 2008 08:50 pm
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Would say 'yes' although officially its 'no', where they argue that the 1st gear ring has been matched to the hub.

lokie
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Joined: Monday July 16th, 2007
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 Posted: Monday April 28th, 2008 09:43 pm
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Is it a reasonable bet that it will fit?, Somerford also have a outer gear, a 22G1021 with the same problem as it will also not be part of a pair. I also have a problem with my 22g982, 1st motion shaft, the gears are ok but the taper bit where the baulk ring meets it has only a 1/3 part of a smooth black coating left, the rest is down to metal. It doesn't seem possible to get a new one so do you think it will be Ok or should I be doing something else?

Your thoughts will be very welcome

mk1
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Joined: Wednesday October 5th, 2005
Location: Mark Forster, United Kingdom
Posts: 386
 Posted: Tuesday April 29th, 2008 12:10 pm
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Lokie,

If the coating on the baulk surface on one of your gears is shelling off before you even assemble the box, its scrap.  Don't even think about using it, if you do you will have no synchro on that gear in no time flat.

Mark.

lokie
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Joined: Monday July 16th, 2007
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 Posted: Tuesday April 29th, 2008 04:40 pm
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Thats bad news indeed !! Do you know if they can be recoated any where as I don't seem able to track down a replacement

Mk 3 S Meister
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Joined: Friday September 2nd, 2005
Location: Leafy Warwickshire, United Kingdom
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 Posted: Tuesday April 29th, 2008 09:13 pm
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There used to be a company in Birmingham that could recoat but it wasn't a cheap fix.

1071bob
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Joined: Thursday November 22nd, 2007
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Posts: 146
 Posted: Wednesday April 30th, 2008 11:21 am
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Does anybody know what the coating was called?  Looking at some of my gears it would appear to be around .010" thick.

Where I work we have access to a lot of specialized coating/plating companies and if I knew what the process was I could possibly get a few 'homers' done:)

                                                                                  Bob

lokie
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Joined: Monday July 16th, 2007
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 Posted: Tuesday May 20th, 2008 05:29 pm
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Following on from Mark's advice that my 22G982 1st motion shaft with the damaged baulk coating was now scrap I have been trying to source another one without success to date. I have also been looking for a gear firm that might be able to recoat my 1st motion shaft baulk surface as the gears, shaft etc are fine.

I have recently been looking for another 3 syncro 22G333 box, no luck so far but this is going to be a bit pot luck as I will be unable to establish the condition of the bits until it is stripped down. I have the option of using a later 4 syncro 22G1128 box if i can find a good one or I could just buy any 22G1128 and then trade it in and buy a reconditioned 4 syncro 'S' 22G1128 unit from one of the gearbox firms but I was hoping to do the work myself.

I know there are a few more extreme options but I have had the car since 1973 and I am trying to keep it near original if possible.

So what other options can your fertile minds come up with, all ideas welcome

Don

Gray
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Joined: Friday March 24th, 2006
Location: Nailsworth,Glos
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 Posted: Tuesday May 20th, 2008 05:54 pm
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Hi Don, the 22g1128 route would probably be the easier route, if you get one then keep an eye out for spares on evilbay, if you put the box in any you will get rebuilt will probably have repro gears etc in which are mostly poo quality by all accounts. The 4 syncro parts are out there nos but it will take a while to find. I am rebuilding a 333 with only nos, and that is even harder to find nos kit for ( just the laygear to go now, don't all you guys throw them at me at once:D) Also bearing in mind you will not be able to judge quality of things like the mainshaft nose and the bearing face inside the laygear whilst the box is assembled so it may look good on the outside but sound a heap when installed. Well thats my take any others. Gray

Andrew1967
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Joined: Saturday November 12th, 2005
Location: Norfolk, United Kingdom
Posts: 2001
 Posted: Tuesday May 20th, 2008 07:54 pm
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Gray wrote: Hi Don, the 22g1128 route would probably be the easier route, if you get one then keep an eye out for spares on evilbay, if you put the box in any you will get rebuilt will probably have repro gears etc in which are mostly poo quality by all accounts. The 4 syncro parts are out there nos but it will take a while to find. I am rebuilding a 333 with only nos, and that is even harder to find nos kit for ( just the laygear to go now, don't all you guys throw them at me at once:D) Also bearing in mind you will not be able to judge quality of things like the mainshaft nose and the bearing face inside the laygear whilst the box is assembled so it may look good on the outside but sound a heap when installed. Well thats my take any others. Gray
Sounds about right to me Gray. We know how difficult 22G232 laygears are to source :(

Be careful of repro gears as there have been reports in the past of such gears shedding their teeth as soon as they are engaged :shock: As usual NOS OE parts are the only way to go.

 

lokie
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Joined: Monday July 16th, 2007
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 Posted: Thursday June 12th, 2008 08:12 pm
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Hi Guys,

Thought it was time for an update, I have sourced a 1128 from E-bay which has the 22G927 laygear with 17 teeth on the 1st motion shaft. (998 Mini?)Fortunately I didn't pay much money for it as although none of the gears are chipped ( good news!) when I stripped it down there was no Moly coating left on any of the syncro cones on the gears.

I have also spend ages on the web trying to find out exactly the type of Moly coating is used on the cones. I have found a couple of firms who do metal spraying including Molybdenum for engines but I have not spoken to them yet. I will persist in this venture as I have drawn a total blank looking for a 22A982  1st motion shaft for my 22G333 box and my old one is perfect in everyway except for worm out Moly coating and I now have a handfull of perfectly good gears from the 1128 also needing Moly !!!

In the 1128 box I am planning to use a 22G1040 laygear and 22G1371 1st motion, 22G1096, 22g1094 & 22G1095 for 1,2& 3 as usual, will I have to change the final drive pinion back to 18 if I want to use the original Diff off the 22G333.

Am I heading in the right direction?

Don

Tulka
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Joined: Sunday August 3rd, 2008
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 Posted: Wednesday August 27th, 2008 07:07 am
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 Magnesium case?

 Tulka


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