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Woody_Woodvine
PostPosted: Wed Dec 11, 2019 9:24 pm 
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I've heard that there are 2 different series of gearboxes and engines on the A series. So is this true?
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Bill B
PostPosted: Thu Dec 12, 2019 8:54 am 
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Depending on what you mean by "series" there are many variations in the gearboxes: types of bearings; types of synchromesh; gear ratios; gear change methods; gear teeth shape, etc.
Perhaps you might mean the difference between early gearboxes with synchromesh on only the top 3 gears vs later 4 speed synchromesh?
Early gearboxes had 'A' type gear teeth and later ones were (you guessed it) 'B' type.
Engines went through a similar evolution and change over the production run of minis.
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DavidE
PostPosted: Thu Dec 12, 2019 9:40 am 
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Bill B wrote:
Depending on what you mean by "series" there are many variations in the gearboxes: types of bearings; types of synchromesh; gear ratios; gear change methods; gear teeth shape, etc.
Perhaps you might mean the difference between early gearboxes with synchromesh on only the top 3 gears vs later 4 speed synchromesh?
Early gearboxes had 'A' type gear teeth and later ones were (you guessed it) 'B' type.
Engines went through a similar evolution and change over the production run of minis.


The other way to look at the question is:
direct change gearbox (pudding stirrer gear lever)
remote change gearbox (remote gear lever, and
rod change gearbox (rod change lever)
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brett
PostPosted: Fri Dec 13, 2019 2:16 pm 
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Dont forget, you can also get
5 speed Helical A+
5 Speed Straight Cut A+
and even an 6 speed box from Italy all in a same casing

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drmini in aust
PostPosted: Sat Dec 14, 2019 3:44 am 
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Also some 5 and 6 speed straight cut boxes were made by KG Engineering in Melbourne years ago.

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9YaTaH
PostPosted: Sat Dec 14, 2019 6:17 am 
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drmini in aust wrote:
Also some 5 and 6 speed straight cut boxes were made by KG Engineering in Melbourne years ago.


Not to mention the dreaded Jack Knight :roll:

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mickmini
PostPosted: Sat Dec 14, 2019 10:09 am 
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And the differences between A-series and A+

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Bill B
PostPosted: Sat Dec 14, 2019 12:38 pm 
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Unless Woody_Woodvine refines his question we could be here for a long time....
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winabbey
PostPosted: Sat Dec 14, 2019 1:26 pm 
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Bill B wrote:
Unless Woody_Woodvine refines his question we could be here for a long time....

:D :D

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Morris 1100
PostPosted: Sat Dec 14, 2019 5:07 pm 
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Series 1 = Manual.
Series 2 = Auto.
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gtogreen1969
PostPosted: Sat Dec 14, 2019 5:21 pm 
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How about transverse and inline gearboxes.

I am loving this thread
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Scoop
PostPosted: Sun Dec 15, 2019 1:04 pm 
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Well I've counted 8 different transverse gearboxes and 2 inline in my stash. That's without any of the exotic 5 & 6 speeds!

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