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Home > Beginners Tech > 12g940 head

type49

27 Posts
Member #: 9044
Member

25th Aug, 2010 at 11:50:04am

after looking at the post further down ( why 12g295 )
i have a spare head with the 12g940 casting the valves are almost touching they are as big as i expect can be fitted
any idea what is it off ?
was told it came from a race mini ?
bob

edit just used search oops

Edited by type49 on 25th Aug, 2010.


Rob Gavin

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6729 Posts
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Glasgow

25th Aug, 2010 at 11:54:59am

sounds like it has been modified - post up some pictures of the chambers and ports and we may get a better idea

type49

27 Posts
Member #: 9044
Member

25th Aug, 2010 at 08:59:52pm

its quite rusty mind been lying around for the past 15 years
its quite well ported from what i can see but quite rusty on the photo and not so clear

edit where did the photos go

Edited by type49 on 25th Aug, 2010.


Mr Joshua

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Luton Bedfordshire

26th Aug, 2010 at 12:43:15am

I am going to bet that hit has the same same valves sizes as fitted to the MG heads.

Own the day


type49

27 Posts
Member #: 9044
Member

26th Aug, 2010 at 05:59:24am

i will try again if not i will get the tape out


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wil_h

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Betwix Harrogate and York

26th Aug, 2010 at 07:30:23am

To me that looks like it has a massive exhaust valve.

Whatever it is, it's no good for turbo use.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

www.twin-turbo.co.uk

On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


Turbo Phil

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My sister is so fit I won't show anyone her picture

Lake District

26th Aug, 2010 at 07:53:05am

Looks most likely a 36mm inlet & a 31mm exhaust. The early "S" heads had this combination.

WWW.TURBO-MINI.COM


type49

27 Posts
Member #: 9044
Member

26th Aug, 2010 at 08:50:14am

spot on on with the valve sizes and the porting looks more like a factory cast did the early s heads use a different casting to suit the valve sizes ?



On 26th Aug, 2010 Turbo Phil said:
Looks most likely a 36mm inlet & a 31mm exhaust. The early "S" heads had this combination.


Tom Fenton
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Fearless Tom Fenton, Avon Park 2007 & 2008 class D winner

&

TM legend.

Rotherham South Yorkshire

26th Aug, 2010 at 09:40:28am

The early S used an AEG163 casting, rare, and prone to crack between valves.


On 29th Nov, 2016 madmk1 said:

On 28th Nov, 2016 Rob Gavin said:
 I refuse to pay for anything else


Like fuel 😂😂
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