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Cam Timing Questions(Read the guide, looking for xtra help)

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  • Cam Timing Questions(Read the guide, looking for xtra help)

    I have a 1994 Grand Prix GTP Special Edition. It's the 3.4. I had to do the timing chain cover and gasket a week ago, and now I need to do cam timing. The problem is that I took the tensioner and timing belt off without lining anything up or holdign the cams down. Now, I can start the cam timing myself once I buy the tool, but I need to know where to start. Do I take the number one cylinder to TDC? Is it intake or exhaust stroke? How do I know the difference between intake and exhaust stroke, since the camshafts won't be spinning? HELP! More questions as they arise.
    1994 Pontiac Grand Prix GTP Special Edition, Black 5-Speed
    1995 BMW 540i, Alpineweiss-III, 6-Speed
    1995 BMW 540i, Schwarz-II, Automatic
    2004 Honda 919, Light Silver Metallic, 6-Speed

  • #2
    PS. Engine's out of the car sitting on my garage floor collecting dust.
    1994 Pontiac Grand Prix GTP Special Edition, Black 5-Speed
    1995 BMW 540i, Alpineweiss-III, 6-Speed
    1995 BMW 540i, Schwarz-II, Automatic
    2004 Honda 919, Light Silver Metallic, 6-Speed

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    • #3
      Intake or exhaust stroke is determined by the cams, not by anything else. Just line up the timing mark on the crank pulley with the cover, or use a dial indicator and a long rod to find TDC on the number 1 cylinder. Then just set either bank with the cam flats up, or both banks if you like but you are only going to lock the rings on one bank at this time. Then once those 2 are locked down and timed, you spin the crank over 1 revolution and do the rears.

      Thats how it becomes intake or exhaust stroke.
      Ben
      60DegreeV6.com
      WOT-Tech.com

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