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How big to go or NOT?

Discussion in 'Engine Building' started by 92b20mao, Jul 22, 2003.

  1. 92b20mao

    92b20mao Junior Member

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    i have my b20z at the shop right now and i was thinking how big to bore out the motor?
    I still want to run pump gas and not sleeve the motor. I will be ordering the endyn pistons of the build. Not sure on what bore size on the piston to order. The shop said that he is going to bore out the motor .5mm.
    If anyone out there can help me out?
     
  2. Havok

    Havok Senior Member

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    If they are going to be boring it .5mm, then it would be at 84.5 mm, get high compression Endyn rollerwave 84.5mm pistons.
     
  3. pissedoffsol

    pissedoffsol RETIRED

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    well, are you going all motor or boost?
     
  4. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    I thought you posted this question already and it got answered...
     
  5. 92b20mao

    92b20mao Junior Member

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    all motor
     
  6. 92b20mao

    92b20mao Junior Member

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    sorry similar but not the bore questions
     
  7. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    That's fine... that thread got wasted anyway. :)

    I would just bore to 84.5mm to clean it up. Your stock sleeve .5mm over will be just fine for an all motor setup.
     
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