12G940 with 25cc chambers

Looking for that elusive part, shout about it here.
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Rev 1.2 (16.09.20)
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GraemeC
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Joined: Thu Jun 24, 2010 1:05 pm
Location: Hiding From The Dog... NW Eng

12G940 with 25cc chambers

Post by GraemeC »

A long shot I know, but does anyone have a good 1275cc head with chambers around the 25cc mark?

Or alternatively a good head that's not been skimmed?
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kit of bits
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Location: South Northants

Re: 12G940 with 25cc chambers

Post by kit of bits »

I’ve got a couple of 940 early style complete core units.
D
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GraemeC
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Location: Hiding From The Dog... NW Eng

Re: 12G940 with 25cc chambers

Post by GraemeC »

Thanks -I’ll keep that in mind if I can’t find something that’s nearly there
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GeorgeA
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Location: Sunny Cumbria

Re: 12G940 with 25cc chambers

Post by GeorgeA »

Hi Graeme I'm sure I've got some standard 12G940's
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Exminiman
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Re: 12G940 with 25cc chambers

Post by Exminiman »

Could this work ? Metro Turbo head on face ache

Know nothing about it

https://www.facebook.com/marketplace/it ... 8b697fb58c
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gazza82
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Location: Buckinghamshire

Re: 12G940 with 25cc chambers

Post by gazza82 »

I thought all 940 heads were 21.4cc. KC's website has a list which suggests that.
The forerunner of the Mini .. the A35 .. lots of similarities except rear wheel drive. Mine engine contains a lot of Mini parts now and some Metro brake parts!
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GraemeC
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Joined: Thu Jun 24, 2010 1:05 pm
Location: Hiding From The Dog... NW Eng

Re: 12G940 with 25cc chambers

Post by GraemeC »

Thanks all - if we have to start from scratch then there are some good useful options there.
I'm going to hold out a little longer to see if a worked one turns up, but I know it is unlikely
gazza82 wrote: ↑Thu Nov 09, 2023 10:44 am I thought all 940 heads were 21.4cc. KC's website has a list which suggests that.
Initially yes, but I'm ideally after something that has had work done and the chambers opened up.
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GeorgeA
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Location: Sunny Cumbria

Re: 12G940 with 25cc chambers

Post by GeorgeA »

GraemeC wrote: ↑Thu Nov 09, 2023 11:01 am Initially yes, but I'm ideally after something that has had work done and the chambers opened up.
I'll see what I've got. There are some with mods
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Exminiman
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Location: Berkshire UK

Re: 12G940 with 25cc chambers

Post by Exminiman »

Assumed you were looking to "Turbo" it ? - just thought, if you were, the Metro Turbo head might help as rumoured to have extra oil ways and sodium valves.....
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GraemeC
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Joined: Thu Jun 24, 2010 1:05 pm
Location: Hiding From The Dog... NW Eng

Re: 12G940 with 25cc chambers

Post by GraemeC »

Thanks Exminiman - this is for an NA application
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