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Thread: 99 ls1

  1. #1
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    Default 99 ls1

    99 LS1 stock ECU, 60lb injectors, it goes rich on decel 1.0-11.5 then recovers to 14.5 at idle. Was in main VE table and made some adj when in decel. I am at 20 to 25 KPA and it is rich. I zeroed out the tables in 20-25 KPA and it makes no differenace at all ???
    bobby r

  2. #2
    Joe (Moderator) joecar's Avatar
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    Hi Bobby,

    You see rich on decel as shown by your wideband...?

    You have the correct IFR and small pulse adjust tables for the 60 lb/hr Mototrons, right...?

    Can you post your current tune file and some logs (that were taken from the current tune).

    What intake manifold and heads do yo uhave...?

  3. #3
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    LABELS Small Pulse Adjust (Milliseconds)
    Milliseconds Value
    2.857 0.045593
    2.918 0.045593
    2.979 0.045593
    3.040 0.030395
    3.100 0.030395
    3.161 0.030395
    3.222 0.030395
    3.283 0.030395
    3.343 0.030395
    3.404 0.030395
    3.465 0.030395
    3.526 0.030395
    3.587 0.030395
    3.647 0.030395
    3.708 0.030395
    3.769 0.030395
    3.830 0.030395
    3.891 0.030395
    3.951 0.030395
    4.012 0.030395

    This is my small paulse table right now. The IFR's are 65.95 Flat lined. This is a turbo car that sees 12lbs boost max. I have an LS6 intake, cam and 317 heads.
    Any help would be appreciated.
    thanks
    Last edited by bobby r; April 6th, 2012 at 02:25 AM.

  4. #4
    Joe (Moderator) joecar's Avatar
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    You have a manifold-referenced FPR...?

  5. #5
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    yes !

  6. #6
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    Yes I have Manifold -Ref FPR, any other info needed for some help regarding prev posts ?
    Thanks Again !
    Last edited by bobby r; April 6th, 2012 at 02:51 AM.

  7. #7
    Lifetime Member BLK02WS6's Avatar
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    Post up your tune so we can take a look at it. Did you adjust table B9021?
    GM EFI Tuner
    02 WS6 9.41 @ 143 MPH 3675#, drag radials, pump gas, through the mufflers - sold


  8. #8
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    where do i find the b9021 table i cant find it!!

  9. #9
    Lifetime Member BLK02WS6's Avatar
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    For B9021 you will need cax file (for your OS) go to post #12 here: need-B9021-for-01250003
    GM EFI Tuner
    02 WS6 9.41 @ 143 MPH 3675#, drag radials, pump gas, through the mufflers - sold


  10. #10
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    cant locate#12 post would you mind reposting it for me

    thanks

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