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[Ecotec] l67 Flywheel question

Discussion in 'V6 Development And Modification' started by King_berald, Jan 11, 2020.

  1. King_berald

    King_berald Member

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    hi guys,im doing a manual conversion on my l67 atm and im trying to get the flywheel mirror balanced but i dont have the original auto flex plate from the motor. it didnt come with it. What is going do be my best option? will any l67 flex plate work? or am i going to have to pull out the crank?? motor is out of the car atm.
     
  2. Utel67

    Utel67 Active Member

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    Grab another l67 flex plate.
     
  3. King_berald

    King_berald Member

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    I've got one here, but comparing to other flex plates I've seen, they have minor adjustments to the balance. Which has me worried.
     

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  4. Utel67

    Utel67 Active Member

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    Grab one that hasn't been messed with.
     
  5. King_berald

    King_berald Member

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    None of the flex plates pictured have been messed with. This is done from factory? I assume every engine is balanced individually?
     
  6. Utel67

    Utel67 Active Member

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    I have swapped a cracked flex plate before with another l67 flexplate and didn't notice any difference.

    Maybe someone else knows more about this and cares to share.
     
    Last edited: Jan 11, 2020
  7. King_berald

    King_berald Member

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    I'm hoping that the adjustments are to balance the actually flexplate alone, and are not made in relations to the crank.
     
  8. losh1971

    losh1971 Well-Known Member

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    From what I understand is a flex plate is not critically matched to a crank, however a flywheel is. You need the original flex plate in order to mirror balance.
     

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