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b20 compression

Discussion in 'General Tech and Maintenance' started by EGLSHB, Oct 13, 2003.

  1. EGLSHB

    EGLSHB Senior Member

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    how much does the conversion from the B20 head to a B16 head raise the C/R of a b20? like, if i buy 10.5:1 pistons for the B20 (84mm bore) will the smaller combustion chamber of the B16 head raise it much? like to an unsafe level?

    and no, I am not fucktard newbie... just haven't found any clear answers on the web...
     
  2. EGLSHB

    EGLSHB Senior Member

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    i think i found the answer elsewhere , but opinions are welcomed
     
  3. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Pistons that give you 10.5:1 compression in a B20B/Z should get you 10.94:1 compression with the B16 head. With stock USDM B20Z pistons and a B16 head, you'll have 9.96:1 compression. Stock USDM B20B pistons with the B16 head will get you 9.10:1 compression.
     
  4. EGLSHB

    EGLSHB Senior Member

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    thanks a lot , Cal... i appreciate the input..
     
  5. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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