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valve springs

This is a discussion on valve springs within the Internal Engine forums, part of the LSx Technical Help Section category; just a quick question will stock ls6 valve springs stand up to a mild .556/.556 lift and last for tens ...

  1. #1
    Member 383ls6's Avatar
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    red
    2002 z/28

    valve springs

    just a quick question will stock ls6 valve springs stand up to a mild .556/.556 lift and last for tens of thousands of miles?I have the blue ones.
    Last edited by 383ls6; 11-26-2009 at 03:55 PM.

  2. #2
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    I wouldn't test them. A 918 beehive is a cheap upgrade for such an important part.

  3. #3
    Member 383ls6's Avatar
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    red
    2002 z/28

    Unhappy

    Quote Originally Posted by Hi-Po View Post
    I wouldn't test them. A 918 beehive is a cheap upgrade for such an important part.
    sorry I'm new to this whats a 918 beehive? and where can i get them?thanks for the advice

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    Senior Member Z28boy2000's Avatar
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    2000 Camaro B4C

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    402 Guru 402 Guru's Avatar
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    02 Trans Am T-tops M6

    Thumbs up +1

    if i were u i would go with the better valve springs as the ls6 beehive springs become very unstable at high rpms when the comp cams valve springs are made out of a stronger metal and will hold up way way way way better in the long run so u dont have to pull the headsoff and replace the valvesprings or even a whole top ends just because you were redlining it at he track for 12 seconds. Saftey first that even goes with your car Happy modding and happy t-day,
    Warren

  6. #6
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    SOM
    1998 T.A.

    I like a PAC 1218 over a Comp 1518. Seen too many break though Comp claims to have fixed the problem.

  7. #7
    Member 383ls6's Avatar
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    2002 z/28

    wow thanks for all the input. I'm a little scared of the comp springs as a good friend of mine broke a spring and dropped a valve at 6500 rpm and destroyed the engine. There are so many options and this is my first gen III. Lots of gen I though and i can't believe how different they are.

  8. #8
    Veteran Hi-Po's Avatar
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    Yes they are very different

    There was a bad batch years ago. By now the problem has been found, and corrected. Either way, there are many choices.
    370 CI - Twin 6766 Turbo - Jakes stage 5 4L80E - MWC 9" - Holley Dominator

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    SOM
    1998 T.A.

    There was more than one bad batch. PAC is the shit for a beehive spring IMO....

  10. #10
    Member 383ls6's Avatar
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    Quote Originally Posted by SOMbitch View Post
    There was more than one bad batch. PAC is the shit for a beehive spring IMO....
    got a link?

  11. #11
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    SOM
    1998 T.A.

    http://www.pacracing.com/Beehive_Spr...Set_of_16.html

    http://www.racingsprings.com/

    Here ya go. Many sponsors and any good speed shop can get them.

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