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Thread: Load Percentage PID/Calculated Value

  1. #1
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    Default Load Percentage PID/Calculated Value

    OK so does anyone know how to make the Load Pct PID actually work on a P10? Every P10 Ive tuned starts at like 30% load at IDLE and goes to 100% by the time you're at 25% throttle position.

    How does the load PID use MAP, as in what is the equation behind the scenes so I can try and figure out a solution?

    Having a commanded AFR would be nice too, last I checked SAE.LAMBDA, GM.EQUIVRATIO and GM.AFR didnt work...
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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    Bumpity bump, Id be happy just knowing what parameters are used to calculate the Load % axis in the VE tables so I can make a calc pid...
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

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    Have you figured anything out with this?
    1997 S10, 06 trailblazer SS LS2 swap, 4L70E trans, 76mm turbo. Factory ZQ8 suspension. 3.08, G80 w/a zexel. With a 0411 swap.

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    Shawn posted (or at least I thought he did) about the formula for the standard LS1 Load % PID. Unfortunately that uses GM.MAF, which we obviously dont have because we're SD/alpha-n.

    Ive heard that TunerCats has the VE tables in a normal format, not sure but I believe g*K/kPa so I know thats part of the equation.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  5. #5
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Quote Originally Posted by ScarabEpic22 View Post
    Shawn posted (or at least I thought he did) about the formula for the standard LS1 Load % PID. Unfortunately that uses GM.MAF, which we obviously dont have because we're SD/alpha-n.

    Ive heard that TunerCats has the VE tables in a normal format, not sure but I believe g*K/kPa so I know thats part of the equation.
    Yes, I had it posted for awhile, but figured it was not applicable....
    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
    200cc Heads, 228/232 110+2 Cam, 1 3/4" LT's w/catts, GMMG, Koni Shocks, Hotchkis Springs, 35/21 Sways, 17" ZR1's, 3.90 Gears Roadrunner PCM LM-2 Serial Wideband
    EFILive Closed-Loop MAF/SD Hybrid Tune..


  6. #6
    Lifetime Member schwoch1's Avatar
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    Quote Originally Posted by ScarabEpic22 View Post

    Ive heard that TunerCats has the VE tables in a normal format, not sure but I believe g*K/kPa so I know thats part of the equation.
    I have TunerCats, I would be happy to take a look at a cal if you happen to have one in .bin or .cal format. Let me know...

    Mike
    Current toys are as follows:
    1961 Chevrolet Corvair Monza, 145 H6/powerglide. 85 HP of raw fury.... slow and stock and staying that way!
    1969 GMC 2500, 4-53T Detroit diesel/Fuller 10 speed on late model 1500 HD frame
    1970 GMC 9500, 6-71 Detroit/Fuller 13 speed, not sure why I bought it, but it sure is noisy!!!
    1975 Ford F100 shortbed. Currently undergoing Crown Vic subframe swap and EFI 4.6!!!
    1975 Chevrolet Vega, 5.3/200-4R may finish someday, maybe...

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    Ah dang Mike, I dont have a P10 file in anything but .tun/.ctd. Probably could get one in HPT format too.

    Anyone got a .bin of a P10?
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  8. #8
    Lifetime Member schwoch1's Avatar
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    Quote Originally Posted by ScarabEpic22 View Post
    Ah dang Mike, I dont have a P10 file in anything but .tun/.ctd. Probably could get one in HPT format too.

    Anyone got a .bin of a P10?
    I will check on the Monodax website, I think I seen one there a while back. Can't look at the cal tonight anywho as all my Windows PC's are down at home and all I have up and running is a Mac (go figure) and our tuning softwares and Mac do not play well together!!! I will see what I can do for ya!!!

    Edit: Got one.....says it is for a '04 Envoy 2wd with a LL8. I will take a peek tomorrow. What table are you looking for again???

    Mike
    Current toys are as follows:
    1961 Chevrolet Corvair Monza, 145 H6/powerglide. 85 HP of raw fury.... slow and stock and staying that way!
    1969 GMC 2500, 4-53T Detroit diesel/Fuller 10 speed on late model 1500 HD frame
    1970 GMC 9500, 6-71 Detroit/Fuller 13 speed, not sure why I bought it, but it sure is noisy!!!
    1975 Ford F100 shortbed. Currently undergoing Crown Vic subframe swap and EFI 4.6!!!
    1975 Chevrolet Vega, 5.3/200-4R may finish someday, maybe...

  9. #9
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    The VE tables, what are the units? RPM vs. ??? In EFILive its RPM vs. Load %.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  10. #10
    Lifetime Member schwoch1's Avatar
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    Quote Originally Posted by ScarabEpic22 View Post
    The VE tables, what are the units? RPM vs. ??? In EFILive its RPM vs. Load %.
    I attached two screenshots of what fuel tables are avaliable, pick out which ones you want to see and I will get you the appropiate screenshots!!!
    Hope this helps
    Mike
    Click image for larger version. 

Name:	LL8 fuel table 2.JPG 
Views:	268 
Size:	161.3 KB 
ID:	10461Click image for larger version. 

Name:	LL8 fuel table 1.JPG 
Views:	246 
Size:	159.1 KB 
ID:	10462
    Current toys are as follows:
    1961 Chevrolet Corvair Monza, 145 H6/powerglide. 85 HP of raw fury.... slow and stock and staying that way!
    1969 GMC 2500, 4-53T Detroit diesel/Fuller 10 speed on late model 1500 HD frame
    1970 GMC 9500, 6-71 Detroit/Fuller 13 speed, not sure why I bought it, but it sure is noisy!!!
    1975 Ford F100 shortbed. Currently undergoing Crown Vic subframe swap and EFI 4.6!!!
    1975 Chevrolet Vega, 5.3/200-4R may finish someday, maybe...

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