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Thread: Compression ratios?

  1. #1
    LX User
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    May 2004
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    Compression ratios?

    What's the A20A1 and A20A3 compression ratios?



  2. #2

    SteveDX89's Avatar
    Join Date
    Apr 2002
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    2002 Mazda Protege5
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    A20A1 is 9.1:1. 86-87 A20A3 is 8.8:1. 88-89 A20A3 is 9.3:1.
    No projects. Life consumes my time and money.

  3. #3
    LX User
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    May 2004
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    330
    so it's only .2 more CR over the carb'd motor?

    Hmm... I'll keep an eye out for a FI motor, but if I end up with a carb'd motor, I am not going to let it go.

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