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  1. #1
    TELL IT LIKE IT IS crazylou's Avatar
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    ELIZABETH TWP.
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    Question vacuum line question

    ok gota question i am running -an line for my booster and puttingt a t valve in on back of carb for a pcv valve... what size -an line should i use 6 or 8-an hose???
    would it really matter or will size determind different vacuum????

    thank you for imput...
    COREY...

    *04 Torch Red Cobra
    1 of 164 with med.graphite inserts

    Work done and Tuned by Rodeheaver's Hot Rod shop...

    471hp/489tq
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    *1970 chevelle ss L-S5 454, 4 spd
    real deal not a clone have paperwork



  2. #2
    Member badstanglx's Avatar
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    use 6an

  3. #3
    More RPM !!! Martin0660's Avatar
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    Every time i've ever messed with those lines they have been -6 (3/8")
    Bob Myers ©

    84 Capri RS Turbo -Best 1/8th - 6.24@109, Best 1/4 - 9.82@136...Still only a 4 banger

  4. #4
    Senior Member oldfox's Avatar
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    6an 3/8 are you runing Holley or Edelbrock?
    don't know if I would run booster and pvc off the same line or not
    Last edited by oldfox; 03-26-2011 at 07:41 PM.

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