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Thread: Gu airry boost, dawes valve help?

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  1. 24th March 2015, 11:13 AM #1
    Scoopa88
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    Gu airry boost, dawes valve help?

    tmp_24692-DSC_0689938914560.JPGtmp_24692-DSC_0688104408778.JPGHi,
    New to this forum,

    I have a 08 3L turbodiesel,
    And bypassed the factory controller to install a dawes and needle valve to get rid of erratic boost.

    It seems to be installed correctly, does the job. But the boost now sounds very airry and loose, compared to the previous tighter high whistle.


    Also can't seem to get any difference in adjusting my needle valve, connected from resonator box then teed into dawes valve.

    No egr block installed

    Thanks
    Beau
    Last edited by Scoopa88; 24th March 2015 at 01:05 PM.
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