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Thread: done dug a hole i think

  1. #81
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    i got the right injector data for the injectors in it , i think that helped but now my fuel is all over the place again but i got that part figured out i think so ill just redo the fuel

  2. #82
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    how long u rekon it will take hp support to do that manifold vacuum and is there something else I can do till then?

  3. #83
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    They typically get it within a day or two after you get the email requesting the info log - sometimes the next morning... It only really changes the fuel amount added in during transient fueling, so you can do the main tuning until then...

    The rest of these are recommendations - just some things I do for blower installs and what I glanced at in the last tune posted...

    Spark Advance - Spark Limiter - Spark Min / Torque Management - wouldn't go higher than 12 to 14
    Torque Management - Torque Limit vs. RPM - Trans Input Max - set to 8000Nm
    Torque Management - Torque Limit vs. RPM - Trans Output Max - set to 8100Nm
    Torque Management - Torque Limit vs. RPM - Rear Propshaft Max - set to 10000Nm These should correctly take care of the previous spark issue
    Airflow - Dynamic - Prediction Coefficients - ALL 10 OF THESE - 0 out
    Spark Advance - High Octane and Lo Octane - from .72 to the higher load cells - Smooth Selection about 3 times - just to get rid of the sharp edge at the lower rpms

    Then when it's added - because you have a 1.9l supercharger - Manifold Volume under transient Fuel - set to 13487cm

    Again, these are just recommendations... Also still not sure those injectors are going to do the job - afraid your going to start leaning out up top...
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  4. #84
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    ill get her plugged it an holler atcha when I got more info

  5. #85
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    might have to explain that last one again not sure what to highlight

  6. #86
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    also what is the pe enable map map hyst enable rpm rpm hyst?????

  7. #87
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    like this maybe?
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  8. #88
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    shit only 1 spark table I did both now
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  9. #89
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    Put the power enrichment back like it was then I think you may have gone the wrong way in the spark tables - highlight the whole table from .72 to 1.36 airmass and smooth selection a couple of times - this is just to get rid of the sharp transition in the lower rpm areas - might help with spark knock during tcc lock up...
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  10. #90
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    I think I got it
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  11. #91
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    well the 3d graph don't look any smother

  12. #92
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    Quote Originally Posted by GHuggins View Post
    Great now I'm in more trouble

    Over 100% is normal, just didn't think at 50% throttle you should have been seeing 180 or whatever it was Injector data helps calculate all of that I believe because it will adversely skew the MAF and fueling tables in general...

    Carson, what's your engine load go to since it would be all but identical - roughly same boost anyway on a 6l? Yours is a 6l right?
    Sorry totally missed this question... don't think I've ever logged load though so I'm not really sure. Mine is a 6L too though, stock LS2 except for cam

  13. #93
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    here is where I am today
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  14. #94
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    the lean spots and spark are giving me fits, any suggestions, I haven't done any spark or wot tuning cause I figured I better get the lean and spark figured out, maybe I'm trying to smooth it wrong

  15. #95
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    Generally the last cell in the MAF low table and first cell in the MAF high table should match since they're the same frequency, so that's something to keep in mind

    Doubt that has anything to do with the lean spike issue--that is pretty dang lean. I'll look at it closer later

  16. #96
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    I was told to get rid of the overlap , should I change it back?

  17. #97
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    The 5800 cells should be the same - that was one of my earlier remarks Lean may be from the injector data still or just the injectors - did you ever install the bigger ones?
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  18. #98
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    ill add it back , no injectors yet but I think I got the right data for the 8.1 marines, I get very little kr but its so lean its scary

  19. #99
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    i compared a few supercgarger files that had those injectors then compared with some data from another fella and they was the same so i used it

  20. #100
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    And adding to the mass air flow isn't helping I take it? Log injector duty cycle in your graph area and see what it's going to. Bet you need those bigger injectors as long as fuel pressure is staying up.