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Chevy harmonic balancer question

Discussion in 'The Hokey Ass Message Board' started by Dooley, Feb 5, 2007.

  1. Dooley
    Joined: May 29, 2002
    Posts: 3,102

    Dooley
    Member
    from Buffalo NY

    Does anyone know what baclancers have the timing marks at what locations?

    I currently have one on my 350 with the mark at 12 or 1 at TDC and cannot see it to time as the short water pump does not allow me to look down on it.
    I want to change it to the one that has the mark at about 2 o'clock so I can match the pointer and balancer together to time this SOB.
    Anyone?
     
  2. Bruce Lancaster
    Joined: Oct 9, 2001
    Posts: 21,681

    Bruce Lancaster
    Member Emeritus

    There are 2 or 3 OEM locations and several timing tabs and many of them are wrong anyhow by several degrees even if used right...do this the easy and cheap way!!
    Buy a speedshop tab that goes where you want it to be, or make one by cutting up and shifting the scale from a tab; get or make the cheap little tool that screws into the #1 spark plug hole and allows you to to find TDC by the interference method, a job that will take you 5 minutes. Now, mark your newly found exactly correct TDC right by zero on your new tab. Done!
    Do the finding process twice using magic marker for the marks til the repi***ion telss you it is correct...now make a permanent punch mark filled with paint, marked so you recognize it and are not confused by factory groove.
     
  3. squirrel
    Joined: Sep 23, 2004
    Posts: 60,021

    squirrel
    Member

    look for one from the early-mid 70s, should have it off to the right like you need. The top mounted pointer started in the late 70s or early 80s, iirc
     
  4. Dooley
    Joined: May 29, 2002
    Posts: 3,102

    Dooley
    Member
    from Buffalo NY

    Thanks, my swap meet find balancer had a wobble and I need to replace it anyway.
     
  5. swade41
    Joined: Apr 6, 2004
    Posts: 14,520

    swade41
    Member
    from Buffalo,NY

    I've got an extra 454 one over here......lol
     
  6. jusjunk
    Joined: Dec 3, 2004
    Posts: 3,138

    jusjunk
    BANNED
    from Michigan

    Get one for the earlier engine and you will either find a 6 inch or an 8 inch i think the 6 is a little over 6. you can buy the timing tabs for either. I used 8 inch balancers on my crate 350's and i got a used 305 for my new roadtser project with a 6 or ist it 6 3/4 balancer. I had a problem with a short pump too and i found one of the timing tabs left over from the crate motors for the smaller balancer so i bolted it on and rolled it to top dead center on the old mark then remarked the balancer and painted the mark silver.. Works great
    Dave
     

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