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Thread: Have you hit a limit in boost you can run in speed density on E67? E38?

  1. #1
    Senior Tuner
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    Have you hit a limit in boost you can run in speed density on E67? E38?

    What was the kPa and what did it do if so?
    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 Frost's Avatar
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    Jan 2006
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    I feel like I had a 2010 Camaro (F1-X) that had a ZR1 MAP sensor that would just go flat at around 24ish PSI even though the boost was still going.. It's been > 4yrs though.
    Steve Williams
    TunedbyFrost.com