NH piston 9:1 ?

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adrie.degraaff
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NH piston 9:1 ?

Postby adrie.degraaff » Tue Apr 17, 2018 11:13 am


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keith.mettam
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Re: NH piston 9:1 ?

Postby keith.mettam » Tue Apr 17, 2018 12:24 pm

If the number on the underside is 11568 it is a 10.5:1 compression ratio piston Adrie. Certainly looks like 10.5:1.
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Keith.

nevhunter
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Re: NH piston 9:1 ?

Postby nevhunter » Tue Apr 17, 2018 11:27 pm

It's as high a top as I've seen. It's not a good shaped combustion chamber with a crown that high. Nev


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