Can i use an 81mm head gasket on a 81.5 block?

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08-07-2009, 08:28 AM

b20forlife

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Can i use an 81mm head gasket on a 81.5 block?

ok well i had to pull my head odd. its an ls vtec with a gsr head. now i cant find an 81.5mm head gasket in my town so i was wondering can i just use an 81mm one? its my dd and need it up and runing asap.

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08-07-2009, 08:45 AM

b20beast83

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Re: Can i use an 81mm head gasket on a 81.5 block?

yes
i think they are bored larger than 81mm in any case

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08-07-2009, 09:47 AM

legomytego

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Re: Can i use an 81mm head gasket on a 81.5 block?

yea it will work fine no problems on 2 piston and rod motors of my own.

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08-07-2009, 01:45 PM

SilverEk3dr

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Re: Can i use an 81mm head gasket on a 81.5 block?

im running it that way at 450+

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