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  • 1 Post By Jeri
  • 2 Post By jerry clayton

Thread: Sealed Power Piston Rings
          
   
   

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  1. #1
    Jeri is offline CHR Member Visit my Photo Gallery
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    Sealed Power Piston Rings

     



    I know this question has probably been asked a thousand times about gapping rings.
    What I need to know is what gap to use for my first and second rings?
    My rings are Sealed Power E251K 30.
    The engine is a blown chevy 350. Low boost.
    I have been told the top ring should be between .022 .024 and the second ring
    .018 .022.

    I'm not sure, so I thought I better check with you guys who have built many engines with blower setups.
    Thanks. Jeri

  2. #2
    Jeri is offline CHR Member Visit my Photo Gallery
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    Thanks, Denny. It helps a lot. I appreciate you getting back with me.
    Jeri
    DennyW likes this.

  3. #3
    jerry clayton's Avatar
    jerry clayton is offline CHR Member Visit my Photo Gallery
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    Nice chart Denny

    For normal street oem type stuff buils---------rule of thumb is .004 per inch of bore size-so usually .016 ( 4.00 bore ) to .018 ( up to 4.500)

    Special pistons have unique heat flow paths and generally ring/ piston manufacture will have specific breakdown of gap ranges for usage of engine-----!~E--- A Nascar 9000+rpm will have different gap than a 2 kids in the back seat sedan/wagon
    NTFDAY and DennyW like this.

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