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Ring end gap Mahle 2020

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  • Ring end gap Mahle 2020

    Hi.

    I am just gapping new mahle pistons. 81.51, 0.06mm bore to wall. if i look at mahle 2020 chart. top an second same gaps

    quite big gaps vs oem

    what do u think should be right gap, 600-700 hp.

  • #2
    You certainly need a larger gap for that sort of power. Better to have some gap than have them pinch up. I would go with their specs since they will have tested them.
    91 Modded 3B
    14 A6 Avant Black Edition

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    • #3
      i know i need som extra gap. think i will go for 0,0062" pr bore " thats around 0.5mm top an second ring. does i sound crazy ?

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