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Thread: Will the stock bypass hold up under high boost?

  1. #1
    Junior SCH Member
    Join Date
    Apr 2005
    Location
    S.I., N.Y.
    Posts
    30

    Will the stock bypass hold up under high boost?

    I recently purchased an S-Trim kit for my car. Will the bypass valve that comes with the kit handle 10 lbs of boost or more?

  2. #2
    SCH Moderator BLOWNBY's Avatar
    Join Date
    Mar 2004
    Posts
    1,380
    Mine worked with 13 psi. 15 is about the max.
    351 "stockshort block": -Vortech T-trim (21 psi), Trick Flow Heads, Lunati Cam, Weldon fuel system, Lentech AOD., 3.55 gears, 27" Hoosier QTP's, 3500# with me

    -545 rwhp
    -10.02 @ 135mph---Is 9.99 to much to ask?:freaks:
    -1.42-- 60'
    Quote Originally Posted by regattacoupe
    Since when do they let Homo's with 700rwhp that run 11's be a SCH mod? :shocked: :obscene: :D

  3. #3
    SCH Moderator "SN Guru" speedytang's Avatar
    Join Date
    Dec 2002
    Location
    Marengo, Ohio
    Posts
    2,028
    15psi usually max but if your car sputters in and out under boost then the valve is not holding and you need something larger.

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