Late '60s BB hydraulic valves adjust rocker nut down (full turn, 1/2 or 1/4 ?) - NCRS Discussion Boards

Late '60s BB hydraulic valves adjust rocker nut down (full turn, 1/2 or 1/4 ?)

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  • Ronald L.
    Extremely Frequent Poster
    • October 18, 2009
    • 3248

    #31
    Re: Late '60s BB hydraulic valves adjust rocker nut down (full turn, 1/2 or 1/4 ?)

    Back to the top -

    1. What do you make of having some of the push rods being after-market (I've seen some used originals for-sale recently with radial and even vertical cracks), was there a cracking issue with these?



    Would these 4 after-market exhaust push rods contribute to ticking?



    2. Since I have the intake off, what should I look for in these
    hydraulic lifters?

    I have a NOS set, see pic compared to the #2 lifter - is there a way to
    clean these?

    Note that I used some of those cleaners last year, including marvel
    mystery oil and did not notice any change.

    3. Is there a real risk to put the NOS lifters in there with the
    existing cam?

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