How about a transmission tuning tutorial!

[joecar]

I don't have any 6L80/90 to experiment with or otherwise destroy...

These work different than the 4L60E/4L80E in that the components are sequenced electronically rather than hydraulically, and the trans calibration contains timing relationships which are critical.

Some people have figured out how to tune these.

[RonC]

I would love to see a 2011 Camaro Trans tune write up.

Bill

Anyone here that would be willing and able to write-up the basics of the do's and don't's of how to tune the 6 speed auto T43?

Ron

[TurboCamaro]

Hi All
I have been searching for the trans tune pdf and am only able find this one by ringram in April of 06. Is this the most recent?

Ok, so I forgot you can attach files to posts now..
Anyway here is the magic document with most of the info from this thread.

Ill add in Joecar's shift pressure pics and update the doco in the next few days. In the meantime, go and break traction with this doc.

The link in the Thread: Collecting links to scattered tutorial material... doesn't seem to function.

Thanks

[Taz]

Try the link below ...

http://forum.efilive.com/showthread....l=1#post131266


Regards,
Taz

[TurboCamaro]

Hi Taz
Thanks. The post you reference is how I landed in this thread. In the thread you are referencing post 3 has a link to a trans PDF and there are links to it in this thread. Only enquiring to see if there is an update since the one attached in 2006.

Thanks
Great work all!

[johnmaster]

Hello again, been 6 mos since I plugged my scanner into the truck, getting back into it to figure out if I can get this trans to shift more crisp. At least I can learn on this one and if I blow it up its no big deal...99 silverado 2wd 4l60 with a skillion miles on it, turboed now and wondering how much I can pour to this poor thing before the trans gives up. Took a drive and logged before making the pressure and shift time changes mentioned in this thread, part throttle shifts are much more crisp now. Bad news is my 1-2 shift takes about 1.3 seconds measured from peak to valley of my rpm curve WOT. 90 psi pres control solenoid pressure while it is shifting which I believe is maxxed. shift times are at .25 seconds on the tune and tm is zeroed.

How do I tell it's slipping and can't be tuned into shape? Should I try it with 0 in the appropriate cells for d1108 and see if it helps any? I get the feeling I am going to be shopping for a real solution...

Thank you to all who have contributed so far!

[BowlingSS]

I don't have any 6L80/90 to experiment with or otherwise destroy...

These work different than the 4L60E/4L80E in that the components are sequenced electronically rather than hydraulically, and the trans calibration contains timing relationships which are critical.

Some people have figured out how to tune these.

Wished someone would do a 6L80 tuning tutorial.

Bill

[restless@westnet.com.au]

that would be nice

[APS Luis]

Wished someone would do a 6L80 tuning tutorial.

Bill

The issue with T43 is that every one of them behaves differently!
I could do a tutorial of what i have found so far ,but it would really be useless IMHO. You flash your first T43 and drive the car and you'd think "oh wow, that's great" . Put the same numbers in the next car and it behaves totally differently.

6L80E & T43 is a tuner's nightmare

[EagleMark]

Back from the past... Found this thread accidentally in search... how come it never made a sticky or link or? Lots of good ideas!