Sadie has stellar compression.

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    • coupester
    • December 15th, 2014

    I have always thought that an engine with good compression had cylinders that didn’t vary by more than 5 PSI, but I could be wrong about that. Maybe it’s 10 PSI.

      • Jim
      • December 15th, 2014

      Rule of thumb is 10% variation between highest and lowest. Im just happy not to have readings like 118, 130, 139, 112. That car has been through a lot!

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