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Thread: CAN THE B20 84MM be BoRED OUT TO 86mm ?

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  1. 10-20-2006, 05:32 PM #1
    Annihilation
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    Exclamation CAN THE B20 84MM be BoRED OUT TO 86mm ?

    CAN THE B20 84MM be BoRED OUT TO 86mm ?

    Or will it need to be sleeved?
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  2. 10-20-2006, 05:50 PM #2
    Vteckidd
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    needs to be sleeved.

    honda service manual says that if there is VERTICAL scratches the block is to be thrown away.

    you cant even go 84.5mm
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  3. 10-20-2006, 05:51 PM #3
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    what does vertical scratches have to do with it?
    FUCK B&D COMMUNICATIONS!

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  4. 10-20-2006, 06:08 PM #4
    Vteckidd
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    Quote Originally Posted by b18hatch
    what does vertical scratches have to do with it?
    vertical scratches means the cylinder walls have excessive wear. per honda service manual vertical scratches calls for an overbore an hone.

    usually on B16/LS/GSR/ITR you can go .10 .20 over. i have done motors that are .40 over as well.

    on the B20s, they use a thinner sleeve, and honda says basically you cant even hone it.
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  5. 10-20-2006, 05:57 PM #5
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    damn they had a great deal on ebay for 86mm pistons................damnit
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  6. 10-20-2006, 06:26 PM #6
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    really dumb ass question but how are sleeves held in?
    FUCK B&D COMMUNICATIONS!

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  7. 10-21-2006, 12:16 AM #7
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    they sit on a deck/lid at the bottom of the block
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