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Thread: Tell me why this car wont start without throttle

  1. 03-20-2014 #1
    GrannySShifting
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    Tell me why this car wont start without throttle

    GTO LS2 PCM. 230s cam in 402, should be very mild
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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
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  2. 03-20-2014 #2
    c.u
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    What size injectors. For the 402 you may have to increase cranking fuel some.
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  3. 03-20-2014 #3
    GrannySShifting
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    Quote Originally Posted by c.u View Post
    What size injectors. For the 402 you may have to increase cranking fuel some.
    Stock. Cranking Fuel -FA Mult Stage 1 vs time been increased and decreased 40%, no change. This is about the mildest setup Ive ever tuned, Im overlooking something somewhere.
    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
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  4. 03-20-2014 #4
    c.u
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    So i take it there LS1 injectors and not the LS2.
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  5. 03-20-2014 #5
    c.u
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    What size TB do have on it? The ETC scalar is set to 7.900.00. Have you tried to bump up the Cranking VE yet.
    Last edited by c.u; 03-20-2014 at 10:05 PM.
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  6. 03-20-2014 #6
    DSteck
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  7. 03-21-2014 #7
    Shrek
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    Now that is funny !!!!!!! Dave you are a very talented (and slightly demented) individual.
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  8. 03-21-2014 #8
    GrannySShifting
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    Quote Originally Posted by c.u View Post
    What size TB do have on it? The ETC scalar is set to 7.900.00. Have you tried to bump up the Cranking VE yet.
    FAST 102/102

    Yes
    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
    Reply With Quote Reply With Quote
  9. 03-21-2014 #9
    GrannySShifting
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    LOL Dave. Ask and you shall receive.

    Cars had many problems, was trying to do driveability with no windows in it, and a trans that was acting up. Much Screwy. Issues Many. No Fun.

    Stock LS2 Injectors
    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
    Reply With Quote Reply With Quote
  10. 03-21-2014 #10
    c.u
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    Stock LS2 injector IFR table. Bump the base running airflow,Park 5% at a time up to 1600rpm. Do you have a different TB to try.
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  11. 03-23-2014 #11
    Brandoneaves
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    I would change cranking ve to 85 across the board
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