Thread: File fit
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Old 09-15-2013, 12:48 PM
  #5  
markdunlap
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Join Date: Jan 2004
Location: central Illinois
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Whatever top ring gap you use, go about .004" more on the second ring gap.

This helps whatever blowby that gets by the top ring to go thru the second ring without causing ring flutter, which is a bad thing.
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