Volvo RWD 120-130 Forum

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B20 block 120-130

posted by  voice122 on  Sun Aug 12 16:00 CST 2018
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last visit: Mon Oct 20 00:08 CST 2014
[RELATED]

Hi all

Thanks Eric

Is there a reason the early 6 bolt crank B20 block cant be bored out to 92MM

Thought i heard the walls are thinner

David








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    B20 block 120-130

    posted by  planetman on  Sun Aug 12 18:31 CST 2018
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    last visit: Fri Oct 24 09:29 CST 2014
    [RELATED]

    Hello David,

    I'm pretty sure the later B20s did have slightly thicker cylinder walls, but you should still be okay at 92mm(3.622").

    However, you won't be able to use a stock head gasket.

    I sell 3.575" and 3.6" forged piston sets so a stock head gasket can be used.
    --
    Eric
    Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
    Torrance, CA 90502







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