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Thread: Valve Float

  1. #1

    Default Valve Float

    I'm chasing what seems to be a valve float issue. Everything was bought together so it would be like a matching set. Spring pressures were checked & set up (from what the machine shop told me). When I first ran this engine combo, the wrong gear was in the car & turning about 8800. The valves were floating pretty bad halfway up the straightaway. I'm now turning right 7500 & it sounds like a slight float at the upper end of the straight. Could it be possible that I have weakened the springs turning it up so much? Thanks F-9

  2. #2
    Join Date
    Sep 2007
    Posts
    208

    Default

    hydraulic or solid , makes a differance

  3. #3

    Default

    Solid. 256/536

  4. #4
    Join Date
    Sep 2007
    Posts
    208

    Default

    could be timing not advanced for that RPM

  5. #5

    Default

    It's at 34

  6. #6
    Join Date
    Sep 2007
    Posts
    208

    Default

    36 - 37 for 8800

  7. #7
    Join Date
    Mar 2017
    Posts
    7

    Default

    advanceable cam gear? head shaved?

  8. #8

    Default

    It does have an adjustable gear. Right now the cam is on zero. Was thinking about going 4 advance, but wanted to find the float issue before I did that. The head has been cut to the bottom of the intake studa

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