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  1. #1
    Junior Member
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    May 2009
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    Tyler, Texas
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    white
    1995 Z28

    the 2 LS6 springs.

    ok, im a little confused on the LS6 valve springs.

    blue = specs???

    yellow = specs??? [heard were better]

  2. #2
    Veteran Hi-Po's Avatar
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    Nov 2005
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    Florida
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    10,467

    Black
    1999 TA WS.6

    Blue = Newer style. maybe 04-05 and up.

    Yellow = Older style maybe 03-04 and down

    Both good for low to mid .500's I think. I ran my yellows past 6500 many times.

    Also, I dont really read up on those things... but I think blues might be better. Could be wrong though. I have 16 GM Yellow springs for sale that I would basically give you Tell me if your interested, nothing wrong with the springs at all.
    370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator

    Build in progress...

  3. #3
    Junior Member
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    Jul 2009
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    PA
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    2

    Silver
    02 Z06

    I dissagree. Solid blue colored spring are early LS6 spring good to .550; yellows are later model good to .570

  4. #4
    Veteran Hi-Po's Avatar
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    Black
    1999 TA WS.6

    Quote Originally Posted by cyclerage View Post
    I dissagree. Solid blue colored spring are early LS6 spring good to .550; yellows are later model good to .570
    You might be right.

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