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Old 01-24-2021, 07:57 AM   #3
Patrick L.
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Join Date: May 2010
Location: Largo Florida
Posts: 7,225
Default Re: Piston and cylinder clearance / measurement???

I think you meant .0015", which is too tight.

The piston maker will have its clearance spec.

I like to run them looser. I prefer a bit loose to a bit tight. The standard is .001" per inch of bore. In an 'A' I like at least .004" if not .005"
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