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Thread: WTF is HPTuners doing? No MAP linear/offset in 98 LS PCM anymore??

  1. #1
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    WTF is HPTuners doing? No MAP linear/offset in 98 LS PCM anymore??

    Never saw this before... the first one they had figure out in software and now its missing the most basic table of all 25 years later. How do we LOSE tables as time goes on LOL
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    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
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    i don't think that was ever in a 98 LS1 file unless you applied a 2 bar COS and then it appeared in Engine Diag>Airflow.

  3. #3
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    Quote Originally Posted by 2xLS1 View Post
    i don't think that was ever in a 98 LS1 file unless you applied a 2 bar COS and then it appeared in Engine Diag>Airflow.
    I KNOW I tuned boosted 98s with right MAP sensor data in them??
    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

  4. #4
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    Quote Originally Posted by GrannySShifting View Post
    I KNOW I tuned boosted 98s with right MAP sensor data in them??
    Not on the stock 1bar OS.
    Quote Originally Posted by SiriusC1024 View Post
    I think they're junkyard rebuilds.

  5. #5
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    Yeah it never showed up until you did the 2 bar OS on them.
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  6. #6
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    Quote Originally Posted by GrannySShifting View Post
    Never saw this before...
    no you didnt

  7. #7
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    Quote Originally Posted by Alvin View Post
    Yeah it never showed up until you did the 2 bar OS on them.
    It must been some years since Ive tuned a 98 that wasnt already a 2bar setup lol
    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

  8. #8
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    Location
    405
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    I opened a 98 F-body file with V2.24, V3.6, and V4.10 and it is not in any of those versions.