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highest compresion

Discussion in 'Engine Building' started by 97hatch, Sep 3, 2003.

  1. 97hatch

    97hatch ?

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    ok i was wondering what the highest compresion ratio that i can run on pump gas. If it maters it wil be on a d16 y7 or y8 im not sure which one im building yet
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    with very good tuning you can get away with 12.5:1 or so
     
  3. lsvtec

    lsvtec GNU/Linux Evangelist

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    What is available where you live? Calesta ran > 13:1 on 93.
     
  4. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    :p

    No, only 12.6:1. You CAN run 13:1 compression with good tuning though. There was a guy on the D series boards running 12.8:1 on California piss 91 octane gas, and I know of a few people who were running 13.4:1 or something on 93 octane pump gas. It's all in your tuning.
     
  5. lsvtec

    lsvtec GNU/Linux Evangelist

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  6. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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