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Thread: Turbo vac lines

  1. #1
    is that a subaru? JDMazdaFamilia's Avatar

    Join Date
    Mar 2010
    Yakima Valley Washington

    Turbo vac lines

    I'd like to know where I should hook up the vacuum lines for my boosted protege. I heard the brake booster is a good source but Im not too sure on how to hook it up can someone tell me what size fitting I need and do both the bov and wastegate go to the same source?

  2. #2
    TEAM PRO 5 VICE PRES. 808MP5's Avatar
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    GT3076R Pro5

    Join Date
    Jul 2007
    Zip Code 96744
    T off the brake booster line. It's 7/16id
    most standard vacuum lines are 3/16id
    so you would cut your brake booster line stick a brass T fitting with whatever pipe thread you like... most vacuum blocks are threaded for 1/8npt so better to get a T fitting with that thread on one side... the other two sides of the T fitting should be 1/4NPT... put two 1/4NPT to 7/16ID barbs on two sides and a 1/8NPT to 3/16 barb(or whatever size barb you are using to match your vacuum line size). All your vacuum needs should come from the same source but isn't necessary.

    better to do a vacuum block...
    like this one
    Last edited by 808MP5; 05-01-2012 at 12:29 AM.

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