Hp tuners, torque management clarity

[LSxBakakos]

Did not know that but i do now! I did reset them. Do they relearn fast?
My scanner only has the option to "Rest transmission adaptation" I assume it resets them all?
I drove it about 5 miles running to the parts store and back Different for sure. No more 1-2 slow shifts! It did seem to be shifting odd with some shifts so i assume it's going through the relearn process still.

I should add on hptuners* my matco scanner(launch based) is much different as far as setting adaptives. Ill try to add the hpt video so you guys have it as well. As far as inconsistent shifts/clunky downshifts its normal and they learn quick. Ill normally make a couple shifts then go WOT a few times so that it also learns my driving style is on the heavier side. I always give it 100mi before making another revision, just personal preference though!

Hpt:6l80e

There are two of these although ive used these as my fill in information

The others have been through matt Stanford on youtube as well. Also general search on Google on hptunersforums keywords 6l80e has some random info as well

 

[LSxBakakos]

Update, it seems we made changes in the incorrect spot

This video seems to address it!

 

[dkad260]

Here's a couple vids on the 6L80 from siu automotive, I have been following this channel since I found a few vids on rebuilding my first rear axle. He explains and teaches in such a way it just draws you in as he gets into the roots of what's going on.

Given the scope of this thread, it really opens up what's going on with how the shifts occur and why they act the way they do.

He can talk for hours and I'm glued, these are shorter vids but very comprehensive.

I would watch them in the order posted

 

[LSxBakakos]

Here's a couple vids on the 6L80 from siu automotive, I have been following this channel since I found a few vids on rebuilding my first rear axle. He explains and teaches in such a way it just draws you in as he gets into the roots of what's going on.

Given the scope of this thread, it really opens up what's going on with how the shifts occur and why they act the way they do.

He can talk for hours and I'm glued, these are shorter vids but very comprehensive.

I would watch them in the order posted

You beat me to it good sir, I was actually checking to see if anyone posted video 5 lol, he absolutely breaks things down so that they're understood

 

[LSxBakakos]

I've only dropped the numbers to about .75 ish and that seems to be pretty
quick shift for me. On the stock 2013 I did .900.. On the 2014 with built trans
I set them to .750
HPT: Trans > Torque Mangmt > Upshift > Torque Factor
The stock setting is 1.000

Dont know for sure, but just so youre included, from what I gathered it seems the table below factor is what adjusts torque management percentile

 

[SpareParts]

I set my torque factor to 0.5000 per Silversurfer77

 

[SpareParts]

Got a few miles today. About 15 ish.
Anyway, Trans is shifting great. Town driving you feel the shifts but not even close to hard or too fast.
Floored is a lot faster shifts and as soon as the shift is done its back on the power. I really like how it is shifting now.
Im sure there are a few more little tweaks to make but going to give it some a few days before deciding.

Before i reset the adaptive the changes i had been making we're giving me small changes and i thought would improve as the trans learned the new programming.
Resetting the adaptive made all the difference. Guess i should have paid more attention to some videos.

 

[dkad260]

Awesome, great to hear!

Floored is a lot faster shifts and as soon as the shift is done its back on the power. I really like how it is shifting now

This is something I would like to address on mine, it seems that after a WOT 1-2 shift, it feels like it takes a good 2 seconds for it to be pulling hard again. I figured jt was some form of TM but didn't know it had such a lazy ramp up.

Was this a very noticeable change?

 

[SpareParts]

I think what would make that faster is TM-General-TR- Speed Ctrl Terminate, changed to Immediate.
It was much more noticeable after i did the adaptive relearn.

 

[LSxBakakos]

Got a few miles today. About 15 ish.
Anyway, Trans is shifting great. Town driving you feel the shifts but not even close to hard or too fast.
Floored is a lot faster shifts and as soon as the shift is done its back on the power. I really like how it is shifting now.
Im sure there are a few more little tweaks to make but going to give it some a few days before deciding.

Before i reset the adaptive the changes i had been making we're giving me small changes and i thought would improve as the trans learned the new programming.
Resetting the adaptive made all the difference. Guess i should have paid more attention to some videos.

All solid to hear!! Also what year is yours? On my 14 I cant find the speed cntrl anywhere

 

[SpareParts]

07. That might be an HP tuners version difference. I'm using the latest version.

 

[mikez71]

All solid to hear!! Also what year is yours? On my 14 I cant find the speed cntrl anywhere

I see it on the '14 tahoe file I have, in the same spot @SpareParts showed above..

 

[LSxBakakos]

The one labeled according? If so apparently my tism was showing. Thank you guys, ill revise tomorrow lol

 

[SpareParts]

The one labeled according? If so apparently my tism was showing. Thank you guys, ill revise tomorrow lol

No idea what you're trying to say other than update tomorrow.

 

[mikez71]

Think he was saying Autism.
We're all on the spectrum if we're driving a chevy!
Sorry, I'm upset at my Suburban right now...

 

[LSxBakakos]

Think he was saying Autism.
We're all on the spectrum if we're driving a chevy!
Sorry, I'm upset at my Suburban right now...

You got it sir, breathing in all this chromium probably doesnt help anything lol. And eh, man made car, man fix car. They can be frustrating for sure but its part of the process.


Hopefully ill be able to make some changes tonight, found some more info and one more video. Ill try to post when time allows

 

[mikez71]

I was about to tweak inertia factor for my 1-2 shift (after bumping my 1-2 shift schedule I had previously reduced to smooth out shifts), but figured those reference the transition times (don't they?). (Had typed some inertia factor tweaks, but now convinced it was just placebo on my part, changes were too small..)

Anyhow, figured I would copy the '18+ transition time for 1-2. .. (might be same as '17, didn't check) but I swear it makes my 1-2 shift smoother. I have no idea how to setup transition times despite info on silversurfer's video (cringer on hpt forums I think?) But I swear it makes the shift feel a little more linear and less lurchy..

My thoughts on all the videos, I love them, especially SIU's scientific approach and silversurfers explanations, but in the end I still don't know how to modify the settings, and it's a lot of trial and error for me.. I wish there was a guide on how to setup channels and dial in settings so I would know the changes are real and measureable. (like they have for tuning VVE for the engine)

I know later settings may not be optimum or even correct, but when I'm certain it feels better, it's hard not to run it! Will leave that tune in for a couple weeks at least to let adapts learn and get a good feel under all conditions.. But I've always felt my 1-2 bumped a little and my 2-3 was delayed (at LOW throttles, not WOT) BUT if you guys don't feel that, could be something wrong with me or my transmission!

 

[LSxBakakos]

I was about to tweak inertia factor for my 1-2 shift (after bumping my 1-2 shift schedule I had previously reduced to smooth out shifts), but figured those reference the transition times (don't they?). (Had typed some inertia factor tweaks, but now convinced it was just placebo on my part, changes were too small..)

Anyhow, figured I would copy the '18+ transition time for 1-2. .. (might be same as '17, didn't check) but I swear it makes my 1-2 shift smoother. I have no idea how to setup transition times despite info on silversurfer's video (cringer on hpt forums I think?) But I swear it makes the shift feel a little more linear and less lurchy..

My thoughts on all the videos, I love them, especially SIU's scientific approach and silversurfers explanations, but in the end I still don't know how to modify the settings, and it's a lot of trial and error for me.. I wish there was a guide on how to setup channels and dial in settings so I would know the changes are real and measureable. (like they have for tuning VVE for the engine)

I know later settings may not be optimum or even correct, but when I'm certain it feels better, it's hard not to run it! Will leave that tune in for a couple weeks at least to let adapts learn and get a good feel under all conditions.. But I've always felt my 1-2 bumped a little and my 2-3 was delayed (at LOW throttles, not WOT) BUT if you guys don't feel that, could be something wrong with me or my transmission!

If you view his video #5 he explains much like hptuners did that if you want to change it by 30% essentially you click your top left corner(fast way to highlight the entire table) and multiply x.70 to get your 30%. Theres two tables from there ill be adjusting tonight

From what my old trans builder explained earlier model 6l80e's didnt have half of the updates that the later years did as far as mechanical programming so what may feel normal to us or vice versa may be the mechanical/electrical OS. Every transmission is different too, the 09 ive also been tuning feels different than mine does. His wont scratch the tires on the 1-2 where as mine will, his 2-3 feels quicker but less firm. He liked how my updates have been so I've copied and pasted my values into his tables, so its difficult to say for sure!

Personally if you have the hardware, go back to your original tune, delete afm/dod, try the hptuners video first in here and adjust it to there and see how it feels, or keep what you have and just keep revising! Every day is an opportunity to learn something new, im no expert, but im trying everything in my nature to understand how it operates and perfect what I've started

 

[mikez71]

Agreed, it's a process forsure. Interesting to hear about the differences in model years and feel!

I want to log the smoothness (maybe input, converter, output and solenoids?) and see the smoothness/unsmoothness in the logs..
The one time I blanket modified the entire map X percentage, I felt like it was bumping at low throttles.. Hoping for a more targeted approach.
In the end I just go back to making little tweaks where I notice delays or bumps.. always watching my gear indicator (autosync) and rpms..

 

[LSxBakakos]

Agreed, it's a process forsure. Interesting to hear about the differences in model years and feel!

I want to log the smoothness (maybe input, converter, output and solenoids?) and see the smoothness/unsmoothness in the logs..
The one time I blanket modified the entire map X percentage, I felt like it was bumping at low throttles.. Hoping for a more targeted approach.
In the end I just go back to making little tweaks where I notice delays or bumps.. always watching my gear indicator (autosync) and rpms..

I wish I had more info on where exactly to help ya. When you mentioned bumping do you mean a positive lurch or what exactly? Ive got hours in mine tonight(leaving for a week again to see what adaptives do) but it for sure squirmed on the 1-2, theres something to the taking 30% out of the transition times too, as well as the speed cntrl and max torque tables. So at least a little bit every week it feels better. I may get ballsy and drop engine TM in full next