69 L36 cam phasing question.

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  • Greg L.
    Extremely Frequent Poster
    • March 1, 2006
    • 2291

    #1

    69 L36 cam phasing question.

    Is there a prefered set-up as far as advancing or retarding a stock cam in a stock L36?

    I have an old bushing kit that will let me install the cam gear from 0-8 deg and was wondering if this engine could benefit from a few degrees advanced or retarded...or should I just install it at zero?

    Greg Linton
    #45455
  • Duke W.
    Beyond Control Poster
    • January 1, 1993
    • 15229

    #2
    Re: 69 L36 cam phasing question.

    The OE indexing POMLs are 110/120, which is considered "advanced". If you want to trade a little low end torque for top end power you can retard it 4-5 degrees, and this will work especially well if you massage the heads.

    The same philosophy works very well with a base 327/300.

    Duke

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    • Myron Sleeva

      #3
      Big block on OEM size tires - Good trade! *NM*

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      • Greg L.
        Extremely Frequent Poster
        • March 1, 2006
        • 2291

        #4
        Re: 69 L36 cam phasing question.

        Thanks Duke.

        If I retard it 4 degrees will it still idle like it would if it was set to 0 degrees? I'm thinking that down the road I might want to go for a PV award and I'm wondering if this retarded setting would be picked up on?

        Comment

        • Duke W.
          Beyond Control Poster
          • January 1, 1993
          • 15229

          #5
          Re: 69 L36 cam phasing question.

          There will be no significant impact on idle characteristics - okay for a PV.

          Overlap is the primary factor that determines idle characterisitcs. Within reasonable limits, how the overlap is phased has no noticeable effect.

          Duke

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