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  1. Anyone?

    Anyone?
  2. Looking at the tune, your situation MIGHT be the...

    Looking at the tune, your situation MIGHT be the smoothness of the VVE. There is 4-5% variance in area where your having issues. Again log the channels i said, and make sure its reporting the numbers...
  3. Double check your VVE. Make sure its correct in...

    Double check your VVE. Make sure its correct in that cell or that your boundaries are smooth. But I'm pretty sure your hitting a known issue / limitation on the vve on gen 4. Its not reliable enough...
  4. So it looks like the IAT tables i showed earlier...

    So it looks like the IAT tables i showed earlier trigger on the MAT versus IAT value. You can see where in one datalog where MAT temp goes negative (what we want), and the other the MAT has no...
  5. iat based antilag / retard, iat adv only sometimes kicks in

    long story short. gen 1 e67 stick shift. MAF tune.

    Relay is activated when clutch is pressed to set -40 iat. The relay works 100% of the time, and sets -40 IAT. However the timing retard only...
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    As stated, you need to log some basic PID’s on...

    As stated, you need to log some basic PID’s on your scanner. RPM, fuel trims (LT & ST), vehicle speed, etc… Otherwise the log is largely useless.

    Id suggest changing dynamic airflow > hi rpm...
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    So I adjusted some limiter settings: accel...

    So I adjusted some limiter settings:

    accel thresh > last cell was 500, changed to zero
    switchover delay > all gears 5 seconds (p/n was set to 0)

    hopefully that does something. Otherwise still...
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    I'm on 4.4.2. My ETC limit is maxed. But my ETC...

    I'm on 4.4.2. My ETC limit is maxed. But my ETC rate limit is .10. Not sure if 0 or 100 is the value im looking for. But regardless this only seems only tip in / low rpm (up to 4000 rpm?). This is...
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    Pedal to floor. TB closes on launch.

    Vehicle is a 2006 ctsv. (1st gen ctsv with slightly older e67). It's a manual.

    Long story short you'll see on launch in 1st gear, that my foot has the pedal to the floor the entire time, yet the...
  10. Yes, its not that hard to believe. It's maybe...

    Yes, its not that hard to believe. It's maybe 6-700hp. Im not sure what your getting at here. There is room in the Hz, just not in the airmass.
  11. Ghuggins - thanks. I know it hurts you to say...

    Ghuggins - thanks. I know it hurts you to say that. You have given me good advice in the past on here.

    I reduced IFR by 20% and have enough headroom now, except cold days it still hits 512g/s....
  12. Already did that. It's ls7 card maf in 4in...

    Already did that. It's ls7 card maf in 4in housing.
  13. I'll consider that for down the road. Really want...

    I'll consider that for down the road. Really want to see if there's a way to gain more headroom in the airflow numbers running maf only for now though. Anything else besides IFR i can adjust?
  14. Yeah both o2's are unplugged. Car is turbo and...

    Yeah both o2's are unplugged. Car is turbo and essentially only has 1 bank now. If youre looking at the logs from this thread you'll see dynair maxed too from what i can see. This log has 10-11# of...
  15. Bump. There is no 2bar OS patch for my e67....

    Bump.

    There is no 2bar OS patch for my e67. This is a 2006 ctsv. Not the 2nd gen CTS-V (2009+) e67 that most are familiar with and has much better support.

    If i run in vve only ("SD") the PCM...
  16. ran out of airflow for maf (512g/s) just reduce IFR?

    As title would state maf is getting pegged at (512g/s) and its about 2-3% too lean at 512 g/s.

    I dont need much more headroom. can i just whack the IFR vs KPA table globally and multiply by .95,...
  17. Thanks James. I did some extensive googling after...

    Thanks James. I did some extensive googling after posting this thread and I think your right. My total timing is like +5 which isn't enough.

    Unfortunately Haltech not in my budget. Any ways to...
  18. Not sure how to add tune via mobile phone on...

    Not sure how to add tune via mobile phone on desktop. But here's the old one in here
    ...
  19. Turbo t56 car. Help building boost on line

    I have a turbo 06 ctsv. It's manual and I'm trying to get it to 2 step more aggressively. Its really lazy on the lnc2000 to build boost. Ie takes 5 or 6+ seconds to hit 3lb.

    I did retard by 13deg...
  20. Anyone? I can find 3-4 instances of this...

    Anyone? I can find 3-4 instances of this happening, but nobody has solved this.
  21. Look at my ve table, specifically the value in...

    Look at my ve table, specifically the value in cell 4200rpm & 122kpa. shows as approx 2328. Although now look at measured ve airflow pid on pull 2. Why does it drop to 701? Clearly something funky...
  22. dynamic airflow goes to 0 during pull. Air mode normal > highspeed

    Long story short this should be a OL SD tune. I get both maf hi and maf lo DTC's set.

    PCM keeps intermittently cutting dyn airflow randomly, usually during pulls. Some go fine, others dyn airflow...
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    DYN airflow goes to ZERO mid pull

    e67, should be running OL SD.

    At about 4min 9 sec into the datalog you'll see dyn airflow goes to zero. Also noticing airflow calc mode goes from normal > high speed. You'll see previous pulls...
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    You can get pretty accurate tune on maf only if...

    You can get pretty accurate tune on maf only if you're boost is pretty linear. Also if you stay using vve, compare the difference in percentage before and after calculating coefficients. Sometimes it...
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    Considering this car is manual. Feel like maybe...

    Considering this car is manual. Feel like maybe it's worthwhile to pull some some ignition from 3000RPM and under? Supposedly the lower ignition with slightly fatter mixture helps with spool in stick...
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