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compression raito

Discussion in 'General Tech and Maintenance' started by xaero, May 23, 2004.

  1. xaero

    xaero Member

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    what's the highest compression piston i can run on 93 octane pump gas?
     
  2. jamesA

    jamesA Well known pissed off telephone guy VIP

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    I believe that E said 12 is the highest on 93-94 octane, anything with 13s you'd need race gas.
     
  3. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    My personal street driven builds:

    12.6:1 on 92 octane, low 12:1 a/f ratios
    12.4:1 on 93 octane, mid 13:1 a/f ratios
    12.77:1 on 93 octane, low 12:1 a/f ratios (current)

    You can run in the 13s if you really want to. It's all about the tuning.
     
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