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Thread: Lightening flywheel by how many grams?

  1. #1

    Default Lightening flywheel by how many grams?

    Hi,

    I am considering to lighten the stock flywheel of M20B20 engine.

    Would this be a good idea or i will upset the whole engine balance?

    If it's ok, by how many grams/lbs? And how and which part of the flywheel to skim off? What kind of benefit will i get?

    thanks in advance,
    rahman
    Rahman in Kuala Lumpur,
    1988 520i M20B20
    1988 730i M30B30
    1982 323/6 M20B23
    1980 316
    1984 GPZ550

  2. #2
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    one thing you gotta be careful with on lightning a flywheel is to not weaken it , you don't want it to come apart, people use to loose legs in old american hotrods in flywheel explosions
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  3. #3
    Join Date
    Jan 2004
    Posts
    4,150

    Default If i had a 2.0 liter displacement i'd want all the mass i could get on the

    flywheel to make it more tractable for everyday driving...







    Quote Originally Posted by nsbone_1988_520i
    Hi,

    I am considering to lighten the stock flywheel of M20B20 engine.

    Would this be a good idea or i will upset the whole engine balance?

    If it's ok, by how many grams/lbs? And how and which part of the flywheel to skim off? What kind of benefit will i get?

    thanks in advance,
    rahman

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