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Thread: Vibration Dampening

  1. #1
    Join Date
    Apr 2003
    Location
    Fairfax VA
    Age
    61
    Posts
    557

    Vibration Dampening

    making progress on this 66 XL conv, the previous folks put a cam in it, no known specs. I do not like it!! I like smooth.

    I know some marine engines have external braces with vibration dampening elements. Has anyone seen a car with such?? Details??

    My XL has new large harmonic balancer, new motor mounts. Runs good.

    i just may get pissed and put a stock cam in it. Any recommendations??

  2. #2
    Join Date
    May 2009
    Location
    Moreau Island
    Posts
    11,680
    I would think the aftermarket cam has markings that indicate who made it and at least a part number. See what you can Google on that then see what the stock cams durations are. Then you will be in a better position to decide on what avenue you what to take as far as drivability.

  3. #3
    Join Date
    Mar 2008
    Location
    Couple of car lengths ahead of you
    Age
    46
    Posts
    19,448

    Vibration Dampening

    You generally make less vacuum with an aftermarket cam. (My car went from 21 to an average of only 12 at idle)This probably has something to do with the stalling you were having and just a matter of retuning. It may help balance out your vibrations and stop the stalling all in one.


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  4. #4
    Join Date
    Apr 2003
    Location
    Fairfax VA
    Age
    61
    Posts
    557
    Quick update - installed Comp Cams 252?? (RV cam .46 lift) ..much better, not quite as smooth as i would like but tolerable.

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