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  1. Flexplate. Neutral or balanced?

    Drivetrain
    So I finally purchased my used 383lt1, it’s currently on engine stand for a good cleaning. My question is, if my rotating assembly is INTERNALLY balanced what flex plate do I use with my 4l60e? I have 2 153 tooth flexplate in hand, One has a butterfly weight, the other does not. I’ve read the...
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