153 tooth flywheel for a 4.3v6

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  • mikeasis
    Drives An Automatic
    • Feb 2008
    • 43

    #1

    153 tooth flywheel for a 4.3v6

    Would anyone know of an application where a 4.3v6 with a manual trans had a 153 tooth flywheel?
    I am putting a manual behind an 86 4.3v6 and cannot find a flywheel for it,unfortunatly i cannot use the bigger flywheel. Everyone wants to say i can use one from a 350 and no offense here but i need some kinda proof,matching part numbers,something. Ive read several places the 4.3 is balanced differently than the sbc, which kinda makes sense it is missing 2 cylinders.

    Ive heard the astro van had a 153 tooth flywheel at one time but cannot find it at any parts stores.


    any help would be appreciated.

    mike
  • squirrel
    Benevolent Ruler of the Universe
    • Nov 2007
    • 19334

    #2
    Re: 153 tooth flywheel for a 4.3v6

    the small bolt pattern one piece seal flywheel used on the 305 and 350 also works on the 4.3, I checked this out and put one from a 4.3 onto a 350 and it worked fine. look up the part numbers at a place like rockauto, you'll see it's true. try for a Vette or Camaro 87-96.

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    • Dans 83
      Hero BangShifter
      • Nov 2007
      • 206

      #3
      Re: 153 tooth flywheel for a 4.3v6

      You can use a SBC flywheel but I think no matter what flywheel you use it may need to be balanced as they were individually balanced at the engine plant. I don't recall any being internally balanced.

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