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Correct Head For 1098Cc Engine


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#1 gazza82

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Posted 15 January 2020 - 01:33 PM

What is the correct head for a 1098cc engine? Is it a 12G202??

 

I have a friend who has just picked one up as a spare but it's fitted with a 2A629 which is off a 948cc engine!

 

PS I have checked on Keith Calver's website and list but it doesn't mention many 1100 engines! https://www.calverst...casting-number/

 

 

TIA!


Edited by gazza82, 15 January 2020 - 01:34 PM.


#2 MiniMadRacer

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Posted 15 January 2020 - 02:11 PM

That is the wrong head... have a read of this site

 

http://www.somerford...age=page&id=116



#3 gazza82

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Posted 15 January 2020 - 02:29 PM

That is the wrong head... have a read of this site
 
http://www.somerford...age=page&id=116


Err .. we knew the 2A629 was wrong .. I asked if a 12G202 was the right one but the Somerfield site confirms that ..

#4 Moke Spider

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Posted 15 January 2020 - 05:45 PM

Most had the 12G202 Head. The Autos had the 12G295.

 

There is actually 2 versions as built up, of the 12G202 head. The 997 Cooper also shared the same casting but had ever so slightly larger Exhaust Valves (almost academically so).

 

I mention this because if you fit an 1100 Inlet Valve in to a 997 Cooper Head it will be recessed, which is not ideal.



#5 gazza82

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Posted 15 January 2020 - 08:00 PM

Cheers all. ..




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