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Thread: 799 Head Question

  1. #1
    Join Date
    Mar 2016
    Posts
    12

    799 Head Question

    Does anyone know the maximum lift on the stock 799 valve springs? I bought some 799 heads, and also got a cam package from texas speed with the ls6 springs. I am just wondering if the stock springs on the 799 are the ls6 springs. Just wondering if I should put the new ones in or if the ones already on there will work fine. the cam lift is .550

  2. #2
    Join Date
    Aug 2017
    Posts
    5
    The 799 heads on a Trailblazer SS had LS6 (yellow) springs, not sure about any others

  3. #3
    Join Date
    Mar 2016
    Location
    BC Canada
    Posts
    73
    They are different springs if they are truck 799 heads. I put the blue ls6 springs in my 799s for my hotcam.
    1995 rcsb c1500, 4/6 drop, 5.3 L33, 5spd, 219/228 112LSA cam, LS6 springs, 799 heads, long tubes, magnaflow mufflers

  4. #4
    Join Date
    Mar 2016
    Posts
    12
    I guess I will just go ahead and change them just to be safe. I am not sure what the heads were on before. I got them off ebay.

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