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Camshaft

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Ruben 05211991, Jul 3, 2021.

  1. Jul 3, 2021 #1
    Ruben 05211991

    Ruben 05211991 Bobtail Member

    2
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    Jul 3, 2021
    0
    I have a Detroit 12.7 that when I pull the camshaft out it is from a Detroit 11.1 !!! I need a new camshaft and by the serial number it’s showing up a 12.7 camshaft but the bolt from the 12.7 is more thicker than the ozone I have on it
     
    Ruben 05211991, Jul 3, 2021
    Ruben 05211991, Jul 3, 2021
    #1
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  3. Jul 3, 2021 #2
    benjamin260_6

    benjamin260_6 Medium Load Member

    426
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    Aug 8, 2012
    Ontario, Canada
    0
    On all three displacements for the Series 60, things like camshafts and injectors are interchangeable in the earlier DDECs. It's not uncommon to find an 11.1 built with the same cam as a 12.7 or a 12.7 with the same cam as a 14L. It's also not uncommon for someone to upgrade to a cam commonly used in a different displacement.

    As far as the bolt goes, in '98 they switched from an 18mm cam bolt to a 21mm cam bolt. If you have the older engine you either have to change the gear or ream the hole to use the newer style cam.
     
    benjamin260_6, Jul 3, 2021
    benjamin260_6, Jul 3, 2021
    #2
    p608, spsauerland, Dino soar and 1 other person Thank this.
  4. Jul 3, 2021 #3
    Ruben 05211991

    Ruben 05211991 Bobtail Member

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    Jul 3, 2021
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    Thank you for your help !!! So I can just buy the same cam that way I won’t have to change the gear right ??
     
    Ruben 05211991, Jul 3, 2021
    Ruben 05211991, Jul 3, 2021
    #3
  5. Jul 4, 2021 #4
    benjamin260_6

    benjamin260_6 Medium Load Member

    426
    474
    Aug 8, 2012
    Ontario, Canada
    0
    Yes
     
    benjamin260_6, Jul 4, 2021
    benjamin260_6, Jul 4, 2021
    #4
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