Ring End Gap

Discussion in 'PSI Superchargers Tech Questions' started by mike prockish, Nov 25, 2020.

  1. mike prockish

    mike prockish New Member

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    Ring end gap 4.187 bore N/FC ?
     
    #1
    mike prockish, Nov 25, 2020
  2. Neil Morley

    Neil Morley Member

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    For nitro it's typically.009" per inch of bore ! .03783" or round up to .038" when it comes to ring end gap I always error to the larger side! I run .040"-.043" on my blown alcohol BBC with a 4.560" bore and see very little if any blow by especially under boost with the gas ported piston it seals up very well!
     
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    Neil Morley, Dec 6, 2020

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