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  • Rocker arm adjustment question

    Working on my buddy's new car that he bought today. Had a lot of valve noise. got under the valve covers and found Proform Pedestal Mount Extruded 1.7 Aluminum Roller Rocker Arms. These have the adjustment on the push rod. My question is what is the proper way to adjust these rockers.
    Nitrous is like a hot girl with an STD. You wanna hit it but your afraid of the consequences!

    90 GT Carb 331, heads cam and a lot of bottle
    95 Tbird SC forged 3.8, MPX supercharger, heads cam, and a little bottle

  • #2
    I have not seen these rockers before. Does anyone know if they are decent or some Chinese crap?
    Nitrous is like a hot girl with an STD. You wanna hit it but your afraid of the consequences!

    90 GT Carb 331, heads cam and a lot of bottle
    95 Tbird SC forged 3.8, MPX supercharger, heads cam, and a little bottle

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    • #3
      you adjust the same way but need to check valvetrain geometry also to ensure correct pr length
      Ring and pinion specialist

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      • #4
        okay thanks alot
        Nitrous is like a hot girl with an STD. You wanna hit it but your afraid of the consequences!

        90 GT Carb 331, heads cam and a lot of bottle
        95 Tbird SC forged 3.8, MPX supercharger, heads cam, and a little bottle

        Comment


        • #5
          If you are referring to the difference between pedestal and stud mount they aren't the same....pedestal mounts are adjusted with shims (and of course need to be correct PR length too). Those are cheap rockers and do tend to be noisy even when they are shimmed right, though.

          Here's something you may find helpful.... http://sbftech.com/index.php?topic=318.0;wap2
          70' Chevelle RagTop
          (Forever Under Construction)



          "Opportunity is missed by most people because it is dressed in overalls and looks like work.”- Thomas A Edison

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          • #6
            Originally posted by Rreemo View Post
            If you are referring to the difference between pedestal and stud mount they aren't the same....pedestal mounts are adjusted with shims (and of course need to be correct PR length too). Those are cheap rockers and do tend to be noisy even when they are shimmed right, though.

            Here's something you may find helpful.... http://sbftech.com/index.php?topic=318.0;wap2
            these are pedestal, but have an adjustable pushrod cup.
            Ring and pinion specialist

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