Timing light/Cam gears

Posted by andytalon, Nov 29, 2006

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  1. andytalon

    andytalon Proven Member

    275
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    Joined Mar 27, 2005
    Boston, Massachusetts
    I went out tonight when it was dark and started to adjust my timing with a timing light. I noticed if I pointed it at my Adj Cam gears it showed the teath marks as if it were stopped, now my concern is it showed one tooth off. Is this accually the way my timing marks are, can somone else perform this, its making quite a concern. It looks as if I've jumped timing one tooth. I know this may not be clear but all you do is point the light at the gears and it keeps them in the exact position as if the car were off and you were doing the timing.:confused: I really just wanna know if this is anything I should be concerned about. The car runs perfectly fine.
     

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  2. absolute_DSM

    absolute_DSM Proven Member

    1,552
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    Joined Jan 29, 2006
    Boise, Idaho
    Im almost sure if you retard the exhaust cam you wont notice a difference... which cam is off?
     
  3. WeaselHack

    WeaselHack Proven Member

    231
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    Joined Apr 24, 2006
    Spokane, Washington
    This is normal...I did the same thing while adjusting my base timing (it was way off) just because I was curious. If you adjust the CAS to +/- 0 TDC at the crank then use the light on the cam sprockets, they should line up dead on. If you are set to 5* advance (recommended) you will notice they appear off like you described - this is because of course, the timing is advanced
     

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