Compression rate

Discussion in 'FXR Models' started by Jonk777, Apr 13, 2014.

  1. Jonk777

    Jonk777 Member

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    What is the compression rate or range for a stock evo motor.
     
  2. hillbilly81

    hillbilly81 Active Member

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    I think it is 8.5 to 1 but I could be wrong someone will correct me if I am
     
  3. Jack Klarich

    Jack Klarich Expert Member

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