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Thread: Calc.VET: correcting MAF and calculating VE (in single log)

  1. #21
    Lifetime Member Ninety8C5's Avatar
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    Quote Originally Posted by joecar View Post
    Thanks.


    I'll be in Jamaica next week (20th wedding anniversary) and I'm hoping to be able to check the internet.
    Probably not a good idea to check the internet while celebrating your wedding anniversary.

  2. #22
    Joe (Moderator) joecar's Avatar
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    lol... she has to sleep sometime, right...

  3. #23
    Joe (Moderator) joecar's Avatar
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    Shawn,

    I found this on my PC, it is a chart showing the order of precedence of the calc pids operators (when in doubt, use parentheses).

    For example, this chart tells you that a + b * c would be calculated like this a + (b * c) and not like this (a + b) * c.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by joecar; January 29th, 2011 at 06:22 AM.

  4. #24
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Thanks Joe.

    Have updated the thread to include a brief description of how the CALC.VET process works (page 1).

    Using your factory narrowbands (NB's) and with a wideband (WO2) attached you can calibrate your MAF, Trims, PE Mode/WOT..and your VE Table will be 'automatically' calculated.

    This is the one of the most inclusive and total tuning method available. I will publish it in PDF form shortly.

    The CALC.VE Tutorial will also be updated shortly.

    ..WeathermanShawn..
    Last edited by WeathermanShawn; February 15th, 2011 at 09:53 AM.
    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..


  5. #25
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    I used Calc.VE after using AutoVE (I like using MAF and CL). I'm trying to use now this method, but I'm stuck with analog inputs for my FlashScan (V1), so EXT.WO2LAM1 is unavailable to me, and calculated PIDs for LC-1 do not have Lambda units. Looking forward to the next-gen Calc.VE (Calc.VET)

  6. #26
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Shadow, we could probably figure a way around having to have the Serial Pids.

    My man Joecar is on vacation right now, but I am sure we could figure out a substitute for you. You basically just need that BEN for an AFR. We might need to input the Analog WO2 Pid in place on the existing one.

    Give us another week or two. He is the master of CALC.Pids.

    So far my testing on it has shown great promise. I am just getting the Tutorial written up now.

    Thanks for your interest..
    Last edited by WeathermanShawn; February 6th, 2011 at 12:41 AM.
    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..


  7. #27
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    Yay! Thanks! It would seem a calculated pid based on EXT.AD1-2 should do the trick. That would get us, V1 guys, aboard this great method! (Still getting the grasp on pids and such) Being able to tune on CL and PE on the same log session is really neat!! This new Calc.VE rocks!

  8. #28
    Lifetime Member mr.prick's Avatar
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  9. #29
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Yea, Mr. Prick is right. It can be easily done.

    *CLC-00-110 factor 0.5 1.5 .4 "{GM.EQIVRATIO} * EXT.WO2LAM1}"

    CALC.WO2BEN1 F110 CLC-00-110 factor Wideband "BEN from Serial Wideband 1"

    As long as you can express EXT.AD1-2 into the PID CALC.WO2BEN1 you can do it. Then you can change "BEN from Serial Wideband 1" to read "Ben from EXT.ADI-2", or whatever you want it to say. It will work.

    It is a pretty neat method.

    It is lot easier filtering Airflow/Fueling corrections (LTFT & AFR/EQ) from the MAF Airflow than directly correcting the VE Table (IMO). Even during DFCO, hard shifting, etc., MAF airflow drops and the resultant SELBEN drops quite nicely into the low MAP area of the VE Table. Tuners that can quickly eliminate +LTFTS will have the most success with this method. +LTFT's skew the calculation..its just the nature of how the PCM deals with it, not the calculation itself.

    But, to directly answer your question. Yes, V1 users can also do this method.
    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..


  10. #30
    Senior Member tatasta's Avatar
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    Shawn or joecar
    I am getting close to running my new s/c setup and have been working on the tune. For the new CALC.VE method, will I need to copy your calc.pids directly to my existing list? Once i get the calc_pids set, where do I find CALC.SELBEN, GM EQUIVRATIO for my list pids to monitor? Your image of your F8 PIDS list is difficult to read (on my computer).
    Thanks
    Bob
    1999 Trans Am - P&P LS6 Heads - TR224-112 - Procharger P1SC - Performabuilt Lvl 2 4L60E w/ 2800 Billet Stall - 9" Inch w/ 3.70s - LS6 Intake - Mac Mids - ORY - Gibson Catback - Suspension, Drag Radials, A bunch of Other Stuff

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