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cam specs

This is a discussion on cam specs within the Firebird / WS6 forums, part of the Vehicle Specific category; how do u determin a cams powerband and what dp they mean by lsa,im doing research on possible cams but ...

  1. #1
    Member RedHot99T/A's Avatar
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    1999 Trans Am ws.6

    cam specs

    how do u determin a cams powerband and what dp they mean by lsa,im doing research on possible cams but im so lost when it comes down to all these terms that are listed,and how do you solve ptc without flycutting the pistons.any help would be amazing im rebuilding my engine this winter and wanna get the right cam for the car.

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Quote Originally Posted by RedHot99T/A View Post
    how do you solve ptc without flycutting the pistons.
    New pistons.

  3. #3
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    LSA = Lobe Separation Angle measured in degrees. I believe the smaller the number the closer the valve events, ie. overlap. The intake and exhaust valves may both be open at the same time at a certain point in the combustion cycle.

  4. #4
    Member RedHot99T/A's Avatar
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    1999 Trans Am ws.6

    so does the lsa help in performance depending what is chosin?and thanks for the ptv issue Mr.Lous...

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