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Another BB 454 question

Discussion in 'The Garage' started by Thumper, Jun 21, 2004.

  1. Thumper

    Thumper 1/2 ton status

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    I am searching for a flywheel... not a secret /forums/images/graemlins/smile.gif.
    A lot of them say they are for either a 'internally or externally balanced 454'. Which are which? How can I tell which it is? Is there an easy way? Or is there a range of years that apply to each type?

    Thanks
    Mike
     
  2. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    AFAIK all production GM 454s are externally ballanced. some of the aftermarket cranks are internally ballanced. thats all i know.
     
  3. stretch67

    stretch67 1/2 ton status

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    all factory 454's are ext balance. that is the flywheel you need. any application from 75-90 should work. not sure if chevy changed crank hub pattern after that. get the one for the 11" clutch!
     
  4. Thumper

    Thumper 1/2 ton status

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    Awesome! Thanks a lot.

    Mike
    /forums/images/graemlins/thumb.gif
     
  5. stretch67

    stretch67 1/2 ton status

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    /forums/images/graemlins/waytogo.gif
     

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