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Thread: Looks like Roush has bypass valve reference above blower on both ports?

  1. #1
    Senior Tuner
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    Jun 2004
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    Baltimore, Md
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    1,213

    Looks like Roush has bypass valve reference above blower on both ports?

    How does this work, someone mentioned smoother driveability with referenced to boost (as most bypass are) but where can you get a boost reference on this thing, which port do you use? One is a larger line from valve to upper intake manifold, and other is a small line from inlet tube behind TB to bottom of valve
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,213
    Anyone? Looks as if there are two 1/8 female plugs in the intake runners on these Roush blowers under the rotors
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere