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  1. Closing out this topic. Lag was found to be a...

    Closing out this topic. Lag was found to be a combination of driving technique by customer and a few throttle based TM settings that were still enabled.
  2. I posted a Heads Cam FBO C6Z tune recently I did,...

    I posted a Heads Cam FBO C6Z tune recently I did, feel free to use it for reference. I used stock scalar and works well with the NW102.
  3. My apologies, the log provided doesn't probably...

    My apologies, the log provided doesn't probably show the issue (i was driving, final pulls, not really pushing for fast shifts). The issue was noted by customer aftwerwards when really pushing some...
  4. Throttle lag during quick WOT upshifts, Stage 4 Cam NA C6 Z06

    Hi fellow tuners,

    I'm experiencing serious throttle lag during quick WOT upshifts on a 2007 NA Heads Cam C6 Z06. The C6 Z06 runs flawless except for this issue. I've tuned dozens of C6 setups...
  5. IFR 50% scaling, double stoich method: questions on IVT

    Searched the forum and I still have it unclear: When it comes to scaling large injector data, say for example the 50% method for IFR and double stoich, I'm still confused about IVT:

    1. Do I have...
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    Easy trick: Use PE to force it to OL. Set PE to...

    Easy trick: Use PE to force it to OL. Set PE to 1.00 at 1000RPM and below. Set your enable PE torque and pedal enablers to 0% for RPMs at 1000RPM or below.
  7. Made zome tweakz again, now with chicken. Tq...

    Made zome tweakz again, now with chicken. Tq management zhift factorz raized again to ztock, I jacked up TCC prezzure up to counteract TCC zlip, and adaptivez were cranked again much higher. Hope...
  8. Ok, I did adjustments based on feedback, learned...

    Ok, I did adjustments based on feedback, learned chicken, turned TM back on, increased adaptives by A LOT. Shifting better but still inconsistent, and still requires commanding the shift extremely...
  9. Hmmm...I've never messed with adaptives, I'm...

    Hmmm...I've never messed with adaptives, I'm absolutely green here with the adaptives on how to manipulate them effectively, I'll research on them, or if you can shed additional light on them.
    ...
  10. Stock 6L80, +1000WHP CTSV TT, WOT shifting issues

    So I'm at a point where I'm feeling lost with the trans calibration to get this car to shift right. It's my biggest HP Gen4 yet, so it's a new learning curve again. I've tuned 500W 6L80's with no...
  11. We have a 3 Bar map, but the MAP reporting does...

    We have a 3 Bar map, but the MAP reporting does max out at 255kpa (22psi of boost). We're currently at approx 25psi.

    I'd like to clarify, what's being maxed is the Hz reading of the MAF (not the...
  12. +1000WHP CTSV, MAF maxed and inconsistency in fuel delivery questions

    General question, how are you big HP tuners dealing with consistency in fueling delivery between gears and different loads/rpms on setups where the MAF is being maxed (besides a speed density tune...
  13. Right, but I want to double my airflow...

    Right, but I want to double my airflow calculations now while keeping my current fueling. So shouldn't I double my MAF and double my stoich, and leave IVT as is, and hopefully fueling remains the...
  14. Yea, I think then to preserve most of my current...

    Yea, I think then to preserve most of my current MAF fueling, which is decently accurate now, I'm going to double the stoich and double the entire MAF curve, I believe they should cancel themselves...
  15. Scaled Injector Data hurting reported torque, issues shifting

    Hi folks,

    Tuning a big power CTSV A8, return style fuel system twin turbo build on flex fuel, with FIC 1650 injectors that required scaling injector flow rate data. I haven't tuned this enormous...
  16. Toyo Proxes R888. Tires ran at different PSI and...

    Toyo Proxes R888. Tires ran at different PSI and read same in dyno. We actually found a slight problem during street testing and fixed a slight power dip: I saw some TCC slip at higher load and RPM....
  17. C7 A8 Dyno power output difference 4th vs 5th gear

    Finalized a C7 A8 with bolt ons (H / C / I), flex fuel, Stage 2 Comp Cam and a Circle D high stall. Was wondering if anyone that has dynoed C7's A8 before has experienced different power output...
  18. Figured it out, previous tune had TQ management...

    Figured it out, previous tune had TQ management on trans side completely disabled, leading to all those issues. Enabling TQ management for trans solved it. 3-4 shift still a little harsh but much...
  19. Log capturing 3-4 hard shift and 4-5 hesitant...

    Log capturing 3-4 hard shift and 4-5 hesitant shift, and tune attached. Also attached a stock reference tune of same year C7 (from repository)
  20. 2016 C7 8speed WOT issues 3-4 harsh shift and 4-5 hesitant shift

    Trying to fix some issues with a previous trans tune on a FBO cammed 2016 C7 8speed (intake, headers, ported MSD intake manifold, katech 103, flex fuel...etc.) running a 235/248 Stage 2 Comp Cam. Has...
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    and where would that be? I'm thinking of using...

    and where would that be? I'm thinking of using linear and offset settings from an LSA ZL1 tune then.
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    I might be saying it wrong then, maybe it's a 3...

    I might be saying it wrong then, maybe it's a 3 bar. It's the LSA ZL1/CTSV Map sensor to be retrofitted.

    So only rescaling VVE? No rescaling of the MAP itself anywhere?
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    1 Bar to 2 Bar Conversion for boost in LT1

    Hi fellow tuners,

    Wanted to know what's the appropriate tables and areas to scale if changing the 1 bar MAP sensor to a 2 bar (from an Gen IV LSA ZL1 or CTSV), into a C7 LT1 application. It's...
  24. Yep, VVE was lowered and cleaned up after a lot...

    Yep, VVE was lowered and cleaned up after a lot of rinse and repeat, including decel areas. VT for MAP was also lowered. I personally think, feels like, I'm at a point close to start generating idle...
  25. Talking about transport delay settings, in your...

    Talking about transport delay settings, in your experiences what's a good data driven method to dial in delay? Assuming I have a wideband and can datalog the AFR swings, how can this be approached...
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