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Tial Wastegate Install question

Discussion in 'Forced Induction' started by RFHOMI2U, Sep 19, 2003.

  1. RFHOMI2U

    RFHOMI2U Senior Member

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    Ok, out of curiosity i have this stupid question.
    I know how to hook up an internal wastegate. The 1 Vac line on the wastegate goes to a charge pipe or the compressor housing of a turbo to read the boost. But on external wastegates, there are 2 hook ups. What do those do? 1 of them has to be to read boost measurements to push the spring, but what does the 2nd one do?

    thanks....
     
  2. turbocrx2.0l

    turbocrx2.0l Member

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    Tell me what kind of boost controller you are using.the one at the bottom reads boost the top one is for vacuum.
     
  3. kell211

    kell211 Member

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    the top one is used for a boost controller.
     
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