455 flex plate

Discussion in 'The "Juice Box"' started by idahoskylark, Nov 29, 2021.

  1. idahoskylark

    idahoskylark idahoskylark

    Putting a 455 in son's Skylark using a 350 trans we have instead of a 400
    What flex plate do we need unsure when I look up part if it is for a 350 trans with 455 or not.
    Or are they the same for both trans just different for the engines?
    Was in a manual car so believe just need to remove pilot bearing and bolt on flex plate??
     
    idahoskylark, Nov 29, 2021
    #1
  2. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    The flex plate is for the engine, not the transmission.
     
    LARRY70GS, Nov 29, 2021
    #2
  3. 12lives

    12lives Control the controllable, let the rest go

    12lives, Nov 30, 2021
    #3
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    The SFI one that Jim Weise sells is so nice, I would use one on even a stock engine.

    NewFlexplate.JPG
     
    LARRY70GS, Nov 30, 2021
    #4
  5. pilgrim

    pilgrim Well-Known Member

    I did.
     
    pilgrim, Nov 30, 2021
    #5
  6. BQUICK

    BQUICK Gold Level Contributor

    What about engine balance? Stock is external balance so components balanced together. Didn't think it was a good idea to swap flywheels...
     
    BQUICK, Dec 20, 2021
    #6

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