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84mm combustion chamber on 81mm block?

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Old Nov 22, 2010 | 07:28 PM
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Cimburke23's Avatar
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From: JDM is the NEW RICE, VA, USA
Default 84mm combustion chamber on 81mm block?

well, i bought a ported GSR head but have now realized the combustion chambers have been opened up to 84mm. I was planning on running this on a stock bore GSR block, and was wondering if anyone thinks there would be a problem with it? should i get a headgasket cut to 84mm or just run a stock headgasket? any help would be appreciated. thanks in advance
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Old Nov 23, 2010 | 03:24 PM
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Default Re: 84mm combustion chamber on 81mm block?

54 views and no response?
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Old Nov 23, 2010 | 03:56 PM
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Default Re: 84mm combustion chamber on 81mm block?

I've always wondered the same, hope someone w/ experience on this will post. Maybe try all-motor forum too.
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Old Nov 23, 2010 | 03:59 PM
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Default Re: 84mm combustion chamber on 81mm block?

https://honda-tech.com/forums/showthread.php?p=43513429
Just found this
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