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  1. Thread: LMM DSP5 tune

    by mgnta217
    Replies
    7
    Views
    587

    Thank you sir

    Thank you sir
  2. Thread: LMM DSP5 tune

    by mgnta217
    Replies
    7
    Views
    587

    I appreciate it

    I appreciate it
  3. Thread: LMM DSP5 tune

    by mgnta217
    Replies
    7
    Views
    587

    That would be great

    That would be great
  4. Thread: LMM DSP5 tune

    by mgnta217
    Replies
    7
    Views
    587

    LMM DSP5 tune

    I'm trying to tune a 2007.5 LMM. The truck was purchased used with a DSP5 and I can't read the existing tune. The company that tuned it will not send me the stock tune or existing tune to modify...
  5. Update, replaced the plugs and found the problem....

    Update, replaced the plugs and found the problem.
    Plug wires only have about 100 miles on them. Gonna have to reroute.
    22321
  6. I’ll give that a shot. And replace the plug wires...

    I’ll give that a shot. And replace the plug wires with better ones.
  7. Ngk 4177 @ .030”

    Ngk 4177 @ .030”
  8. 2001 Silverado 4.8l Twin 60mm t3/t4 turbos...

    2001 Silverado 4.8l
    Twin 60mm t3/t4 turbos
    TH400 transmission
    Drive by wire
    No MAF/ running speed density 2 bar map sensor(AC Delco 213-1631)
    No cats
    No EGR
    No EVAP
    No Secondary Air
    Delphi...
  9. Cutting out/misfire when coming into boost

    When i start getting into boost (approximately between 3-6psi), I notice a significant drop in power and what feels like a misfire. No misfires are being logged and the problem just started...
  10. Replies
    52
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    4,626

    I

    I
  11. Replies
    52
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    4,626

    I compared yours to the one I have been working...

    I compared yours to the one I have been working on today and I'm glad to see I was on the right track with my injectors, after your help of course. I'm gonna tweak and flash this tune and make some...
  12. Replies
    52
    Views
    4,626

    Yes

    Yes
  13. Replies
    52
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    4,626

    AC Delco 213-1631 2 bar

    AC Delco 213-1631 2 bar
  14. Replies
    52
    Views
    4,626

    2001 Chevy Silverado Stock 4.8l engine Twin...

    2001 Chevy Silverado
    Stock 4.8l engine
    Twin 60mm turbos running 5-8lbs boost
    Return type fuel system with stock rails and regulator (delphi 12613412 injectors 50lb/hr @ 4BAR)
    Reference FRP @...
  15. Replies
    52
    Views
    4,626

    fuel system is a stock return type fuel system. ...

    fuel system is a stock return type fuel system. static frp with no reference is 56 psi. injectors are 50lb/hr @ 58 psi. I am currently trying to find injector data sheets for rest of the injector...
  16. Replies
    52
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    4,626

    when setting the ifr, should i set it flat...

    when setting the ifr, should i set it flat (referenced) or sloped (non-reference)?
  17. Replies
    52
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    4,626

    ill start all of this later today, thanks again

    ill start all of this later today, thanks again
  18. Replies
    52
    Views
    4,626

    Ok I’ll start with a basic cos3 build off my...

    Ok I’ll start with a basic cos3 build off my stock tune and get everything organized. I really do appreciate the help and I’ll repost once I’d get everything in order. Thanks again
  19. Replies
    52
    Views
    4,626

    I started with a stock tune and converted it to...

    I started with a stock tune and converted it to cos3. Should I start again fresh and retry it?
  20. Replies
    52
    Views
    4,626

    I didn’t even think about the pressure difference...

    I didn’t even think about the pressure difference when I changed the injectors data. I’ll get back behind the computer and start reviewing everything again.
  21. Replies
    52
    Views
    4,626

    Yes 50 lb at 4 bar

    Yes 50 lb at 4 bar
  22. Replies
    52
    Views
    4,626

    They are GM Delphi injectors, Static Flow Rate at...

    They are GM Delphi injectors, Static Flow Rate at 43.5 PSI: 440cc/min, 42lbs/hr. I
  23. Replies
    52
    Views
    4,626

    I’ll take a look at those tables when I get off...

    I’ll take a look at those tables when I get off work and try to do a few more test runs if it quits raining. I really appreciate the help by the way. This is the first boosted application I’ve...
  24. Replies
    52
    Views
    4,626

    Delphi 12613412 injectors. Stock rail and...

    Delphi 12613412 injectors. Stock rail and regulator
  25. Replies
    52
    Views
    4,626

    Completely mafless, running 42 lb injectors

    Completely mafless, running 42 lb injectors
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