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  1. Thread: SOTF Tuning

    by Jim P
    Replies
    7
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    2,048

    Just do the SOTF yourself if you don?t want to...

    Just do the SOTF yourself if you don?t want to waste the money
  2. One thing I will say to keep things within a safe...

    One thing I will say to keep things within a safe limit in the upper end when dealing with pulsewidth and timing, a safe maximum timing is 1*BTDC for every 100us of injector open time. This has been...
  3. Where I set fuel pressure at Cruise on a 5.9 is...

    Where I set fuel pressure at Cruise on a 5.9 is my preference. It may not be others preference. It?s up to you to determine what you want and what you like is the point. There is more than one way...
  4. What you stated you were doing was smoothing out...

    What you stated you were doing was smoothing out your pulsewidth table(not recommended on stock injectors, wouldn?t even recommend on 200hp injectors, this table defines your actual injector flow...
  5. Yea, like I said, barely even scratch the surface...

    Yea, like I said, barely even scratch the surface with diesel tuning but they bring forward some important stuff and give enough to begin the understandings of a diesel engine. It?s really just help...
  6. HP Academy has a couple ?diesel courses? worth...

    HP Academy has a couple ?diesel courses? worth checking out for beginners to get the most basic of basics of fundamentals and understanding of a diesel engine. They don?t go very deep at all into...
  7. I wouldn?t worry about where other put their...

    I wouldn?t worry about where other put their timing. 0 degrees is top dead center, anything positive is before top dead center and anything negative is after top dead center.
  8. Look at rpm, fuel quantities, rail pressure,...

    Look at rpm, fuel quantities, rail pressure, duration, air flow, timing, throttle position, boost pressure, ambient pressure, to name a few, compare what you see in a data log to the tables in the...
  9. Don?t smooth your pulsewidth table at all! This...

    Don?t smooth your pulsewidth table at all! This will just throw things way out of whack. Don?t rely on a timing calculator to ?make things right? either.

    Go back to a pure stock tune. Data log...
  10. Replies
    10
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    217

    Most stuff with these modern day transmissions is...

    Most stuff with these modern day transmissions is kept pretty tight to those who have the information
  11. Replies
    10
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    217

    Depends on the transmission, NAG1 Chrysler has a...

    Depends on the transmission, NAG1 Chrysler has a drive pattern they recommend be followed after ANY time the TCM is reflashed in addition to the mandatory quick learn procedure if I remember...
  12. You need to know the addresses and conversion...

    You need to know the addresses and conversion factors for the trans stuff
  13. Here, that other one you found definitely isn't...

    Here, that other one you found definitely isn't in my uploaded files.
  14. Lol I dunno, I don?t recognize that file name or...

    Lol I dunno, I don?t recognize that file name or the compounds/110hp injectors and I don?t remember seeing that file name in my uploaded files. I?ll re-upload the one I?m talking about to this...
  15. No that?s not mine

    No that?s not mine
  16. Should be fine on an 03-04. Somewhere on here...

    Should be fine on an 03-04. Somewhere on here there is a full VP tune I posted up but there is also some edits through user defined parameters in it
  17. May have underlying issues going on somewhere in...

    May have underlying issues going on somewhere in your fuel system
  18. I?d have to look at the parameter list, I but I?m...

    I?d have to look at the parameter list, I but I?m pretty sure the FCA has an open and closed loop control
  19. There isn?t any adders for crank mode. There?s...

    There isn?t any adders for crank mode. There?s some fueling tables, timing tables,, crank speed table and a bunch of single value parameters for determining when transitions occur, etc.

    The FCA...
  20. Here's a spreadsheet of a few tables from a 2006...

    Here's a spreadsheet of a few tables from a 2006 5.9 with 50HP injectors and a potato-built turbo. It's not super refined but runs and starts very well including cold starts and cold temperatures. ...
  21. You still have plenty of options for cranking, if...

    You still have plenty of options for cranking, if I?m not mistaken HPT has crank timing and some crank fueling table, can?t remember which one it is.
  22. There is a wide variety of options for throttle...

    There is a wide variety of options for throttle response, boost/fuel, timing, no throttle fuel, they all have their different play on the system kinda need to be worked in unison of each other to...
  23. There isn?t any multiplier tables used during...

    There isn?t any multiplier tables used during cranking and most of the multiplier tables you see in HPT isn?t used unless certain conditions are met.

    I haven?t seen in any model year on these...
  24. What?s your model year? Cranking mode has its...

    What?s your model year?

    Cranking mode has its own set of tables and single value parameters, HPT only has one table mapped out I think.

    These engines don?t have accelerator pumps, that?s a...
  25. I set main timing no less than 8*BTDC, raise rail...

    I set main timing no less than 8*BTDC, raise rail pressure although it?s escaping me at the moment where I raise it to. I also edit idle fuel quantity table which you don?t have access to. I?ll dig...
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