Detroit 60 series cam trouble

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Juanz254, Oct 25, 2021.

  1. Juanz254

    Juanz254 Bobtail Member

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    Oct 25, 2021
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    Hello,I am swapping out my cam in my Detroit. The issue seems to be the bolt to the timing will not fit in my new cam. Both cams are off a Detroit 60 series 12.7 but they have different part numbers. Mines is 23521680 and the new one is 23528309. What could possibly be so different on these two? Could I just put a bigger bolt because both cams are identical, it just that bolt that goes to the timing goes right through the new cam
     
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  3. little cat 500

    little cat 500 Road Train Member

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    there are 2 diff bolts 18mm 20mm you have the wrong cam
     
  4. Don379

    Don379 Medium Load Member

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    Jan 7, 2021
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    different part numbers would tell me thats the wrong one then especially if different bolts. but hey thats me
     
  5. little cat 500

    little cat 500 Road Train Member

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    yea the 8309 cam takes a 20mm bolt
     
  6. little cat 500

    little cat 500 Road Train Member

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    Jan 17, 2010
    Abbottstown PA
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