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Thread: is this possible?

  1. #1

    is this possible?

    i was adjusting the valves on my bbc (i've done this before and familiar with the way to do it) when i was at tdc #1 by the pointer , i did this by watching the intake valve open and close and about a quarter turn more in a clockwize rotation and the piston was not at tdc. is it possible that the outer part of the dampner could have moved? it is a sfi dampner that came from schafferoff and i dont see any popular brand name.

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2003
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    Coldwater, MI
    Posts
    2,998

    Re: is this possible?

    Quote Originally Posted by deepockets
    i was adjusting the valves on my bbc (i've done this before and familiar with the way to do it) when i was at tdc #1 by the pointer , i did this by watching the intake valve open and close and about a quarter turn more in a clockwize rotation and the piston was not at tdc. is it possible that the outer part of the dampner could have moved? it is a sfi dampner that came from schafferoff and i dont see any popular brand name.
    Them dampners they use are junk !! I seen more then one take a crap.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  3. #3
    i pulled the dampner off tonight and the outer portion has clearly spun. it has a name of pb extreme. not so extreme in my case. also the msd crank trigger does not center properly on the the hub, so it could easily run out of round. i put it on the ati super and it centers perfectly.


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