Do I understand you that you can watch this happen real time as your driving ?
Yes, you can watch it in real time (along with TONS of other data) or, probably even more useful, is that you can "replay" the data logs at your leisure. And not just play the logs back at normal speed - you can play it back at multiple different speeds and even more useful, examine the data frame-by-frame. And you can also define "histograms", which allow you to easily identify peaks and problem areas without having to search through the logs. The HPTuners Scanner application really is a game-changer. I always thought that Torque Pro was awesome - and it is cool - but, the HPTuner scanner app makes Torque Pro seem like a toy in both the amount of data that you can review and the ways that you can review it.
These 3.6 cars (the 9th gen more so than the 8th) seem to be tuned to stay in a high gear as much as possible for economy, so tuning the transmission might help elminate some KR (by providing a quicker kickdown at less throttle %).
I completely agree. In fact, I've altered the transmission shifting tables quite a bit to do exactly what you talk about. I don't go into 5th and 6th gear as quickly as stock and I also release the TCC lockup clutch and/or downshift with much less throttle input now. Really does make a significant difference in the overall responsiveness of the car - it just reacts to throttle input so much better now.
Still messing with my tune - I just can't quit - I *love* logging data and trying new things. Now that I've got the timing and trans shifting refined just like I like it, I'm now going to start messing with:
- Reducing torque management slightly during upshifts - basically, I'm going to start by removing 10% of the upshift torque management during low RPM, low torque shifts and removing 5% of the upshift torque management during mid RPM, mid torque shifts. Plan on leaving torque management intact for high RPM, high torque upshifts.
- Going to try disabling "Torque Shaping" - supposedly, this will make the throttle feel a lot more like a throttle-cable driven throttle - more "direct" feel between pedal and throttle.
- Going to try disabling "Discrete Shift Torque" - basically, when this is enabled, the transmission will use a pre-defined pressure value for shifts for a given torque range (low, mid, high) - supposedly, this allows the transmission to learn the pressures quicker and easier. Some people like leaving this enabled and others like disabling it. Curious to see what difference it makes. In my mind, I'd want the computer to use the actual shift torque values instead of just "estimating" it like it does when Discrete Shift Torque is enabled.
- Going to enable true tap-shifting instead of the range-select version of tap-shifting that the Impala uses by default. Basically, this will allow me to select the gear that I'm in instead of just allowing me to select the highest gear that it will use. May be useful in the winter, so that I can start off in 2nd or even 3rd gear, for example.
Lots of cool, fun stuff you can do!!!