File fit rings

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by turbobandit, Mar 21, 2020.

  1. turbobandit

    turbobandit Bobtail Member

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    Jan 19, 2018
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    Does anybody know if there are file fit rings for a 16.5 to 1 12.7 Detroit?

    The rings from Detroit are worn out before they are installed, measuring .038 end gap new.
    That is ~.007 per inch of bore.

    looking for more like .020 or so...
     
    Rideandrepair Thanks this.
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  3. Rideandrepair

    Rideandrepair Road Train Member

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    I suggest you research Mahle pistons, they have some good info on piston types, and ring gaps. They also manufacture original Detroit pistons and I’m guessing rings also.
     
  4. turbobandit

    turbobandit Bobtail Member

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    Jan 19, 2018
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