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Thread: Dawes valve Vs Boost controller

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    Dawes valve Vs Boost controller

    image.jpgimage.jpg

    Can anyone tell me the difference between a boost controller and a dawes valve ?

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    Sorry guys, I just read through the forum and answered my own questions

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    Quote Originally Posted by Dananjen View Post
    Sorry guys, I just read through the forum and answered my own questions
    You get a gold star! LOL

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    For other who are searching and found this thread, the difference is the Dawes is used for Variable Vane Turbo's which are vacuum controlled turbos and do NOT have a wastegate, like the ZD30 Patrol, 2.5Ltr Navara, Tritons etc etc. The boost controller the OP has shown is commonly used for any other setup that uses a boost pressure controlled waste gated turbo. Like a TD42, RD28, ZD30 Navara etc etc.

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    same reason we don't need a boost and vac gauge only boost, if you get a boost/ vac gauge and try to fit it using supplied instructions it will run in vac and only spike into the boost zone occasionally if your lucky.

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    mudski (29th December 2014), threedogs (29th December 2014)

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