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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Hi David:
With 20-25% leak, you need to take things apart and measure ring gaps, closely inspect cylinders for scoring, scratches, roundness (top & bottom) and look VERY closely at the outer edge of the rings.
Ring flutter is a high-RPM condition and IMHO, this is not a problem unless you are not using OEM Goetze rings or there are other issues.
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