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Exhaust Cam Timing

Discussion in 'Performance and Tuning' started by volcomstone1223, Jul 16, 2016.

  1. Jul 16, 2016 at 7:20 AM
    #1
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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    So I am currently removing my URD supercharger and am in the process of removing the exhaust cam gears. So I am following APR's instructions just for installing my stock ones and when I have the VVTI cam, intake, and exhaust all lined up by the orange/yellow marks my exhaust cams are 4 teeth rotated to the left. Would my truck even run it my cams were that far off? I don't really remember how I installed the cams but I think I just marked the chain where the dot is and swapped them which shouldn't throw off the timing I don't think. How should I install the original ones?

    Truck runs fine, been racing, dyno's, never had any problems, just o2 sensor codes since there 11 years old.



    http://www.aprpower.com/pdfs/Cam Gear Installation.pdf
     
  2. Jul 16, 2016 at 7:22 AM
    #2
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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  3. Jul 16, 2016 at 7:23 AM
    #3
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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  4. Jul 16, 2016 at 7:24 AM
    #4
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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  5. Jul 16, 2016 at 7:33 AM
    #5
    Torspd

    Torspd Tor-nication

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    Passenger side looks lined up just fine. Swap that side. Rotate the engine until the driver side links are lined up, and then do that side.

    If it has been running just fine, but the links are off on one side, then just mark the link to your liking and have the gears aligned with the indication marks.
     
  6. Jul 16, 2016 at 7:39 AM
    #6
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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    Both exhaust cams are 4 teeth to the left, but in the instructions it says the dot should line up with the yellow
     
  7. Jul 16, 2016 at 7:40 AM
    #7
    volcomstone1223

    volcomstone1223 [OP] Well-Known Member

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    But I just rotated the motor clockwise until they lined up again and they were only 2 teeth off so I don't think they realized the dot on the teeth aren't always going to land on yellow on the chain
     

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