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Gen V BB Chevy Flexplate questions for you BB fans.

Discussion in 'The Garage' started by BigBad75K5, Oct 7, 2003.

  1. BigBad75K5

    BigBad75K5 1/2 ton status

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    I bought a 92 454 but it did'nt have a flexplate on it.

    I looked on jegs web site an found 2 diff flexplate #'s.

    One is for a gen V/VI cast crank ext ballanced and the other is for a gen V/VI steel crank internally ballanced.

    How can I tell the diff without pulling off the oil pan??

    Does the flexplate have to be for a gen V/VI motor?

    Any info would help.

    Thanks
    Chad
     
  2. BigBad75K5

    BigBad75K5 1/2 ton status

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    Well here's what I've found out so far.
    %0
     
  3. BigBad75K5

    BigBad75K5 1/2 ton status

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    Well here's what I've found out so far.

    The production motors all had cast cranks and are externally ballanced.
    The 454 HO/ 502 HO motors have steel cranks.

    And the flexplate has to be for a Gen V or newer BB.

    I posted the answer's in case some want's to know.

    Thanks
     
  4. 75-K5

    75-K5 3/4 ton status

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    Cool, that's news to me...I didn't know any big blocks were internally balanced.
     

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