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valve spring help

This is a discussion on valve spring help within the Internal Engine forums, part of the LSx Technical Help Section category; im changing my valve springs on my 5.3 i bought the springs for the cam i have.when i went to ...

  1. #1
    Junior Member
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    red
    2003

    valve spring help

    im changing my valve springs on my 5.3 i bought the springs for the cam i have.when i went to set them up the manufacture said the installed ht. should be 1.795 they measured to be.10 thosandths more in these heads , they supplied a 15 thousandths shim the question is will this work? will it make the seat pressure more which is 130lbs at 1.795 in height so pinching it 5 thousandths more should be ok ?or should i get a 10 thousandths shim ????????

  2. #2
    cutting and welding mark21742's Avatar
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    hugger orange
    2004

    Your seat pressure will be alittle higher, but aslong as your not at coil bind at your cam's max lift it will be fine

  3. #3
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    SOM
    1998 T.A.

    You want to be .050-.060 from coil bind ideally.

  4. #4
    cutting and welding mark21742's Avatar
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    hugger orange
    2004

    Quote Originally Posted by SOMbitch View Post
    You want to be .050-.060 from coil bind ideally.
    I knew there was a clearance, but couldn't for the life of me remember what it was

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