2007 Tbss tune help

[Jakes4321]

I have a friend wth a 2007 Tbss (e67). I started to tune truck for his cai and remove slip bang 1st to 2nd shift. I want to get rid of the "lag" when you punch the truck. Me being the newbie that I am, I cant figure out what to change. I am guessing it is in the "fly by wire" throttle parameters but dont know were to look. Anyone care to help or point me in the right direction.

[GMPX]

It won't be ETC response.
You need to see what the timing is doing, if it pulls a bunch of timing as you launch, there's your problem.

Cheers,
Ross

[ScarabEpic22]

OK, its an E38 ECM, the TBSS only uses the E40 (06 MY only) or the E38 (07-08 ) and the T42 trans controller. :)

What you need to do is pull a reasonable amount to Torque Management from the engine and transmission sections. You should not, however, 0 the tables out like I can do with my regular TB as the 4L70E can barely hold up the LS2 stock with all the TM, just be smart and dont pull more than like 50%. Shouldnt need to mess with ETC stuff, Id start by reducing the shift times, pulling TM, adding a few * to the spark table (logging of course), and seeing what that does. I know for my 02 I6 it made a heck of a difference in the feel of the engine, and the LS2 is bigger and better... :D

Would you mind posting the tune as well, just do I can see an 07 TBSS tune? thx

[Jakes4321]

I will check timing but I didnt notice any being pulled out . I did reduce TM by 75% and quickened shifts.I do have a local guy that is going to help me with the tune.
On my 06 TBSS I had 0 Tm and the trans held up fine (over 100 passes). The killer to that trans was nitrous, even then it didnt totally fail but I did freshin it up when I got the converter.

BTW....This site ROCKS!! Everyone seems to help each other out. Thanks for helpin this newbie.

[ScarabEpic22]

No prob man, if you have an 06 SS you know what Im talking about. Guys have been blowing up the 4L70Es stock, IMO the tuned guys are lasting a little longer as the shifts are quicker and not slipping as much. And I think the 07-08s have more conservative TM settings IIRC than the 06s after GM realized how many trans' they were replacing.

[Jakes4321]

Here you go!!


Wont let be post files......:nixweiss:

[ScarabEpic22]

Weird, well could you just email them to me (both the ECM and TCM files) to the email addy in my profile which is scarabepic22 AT comcast.net.

[ScarabEpic22]

Hey man, I opened the TCM file just fine, but the ECM file gives me an unrecognized ECM warning? I just downloaded the E67 update again and am running tune tool build 659, any suggestions?

[Jakes4321]

You did both??
http://forum.efilive.com/showthread.php?t=5890http://forum.efilive.com/showthread.php?t=5809

http://forum.efilive.com/showthread.php?t=5890

[ScarabEpic22]

You did both??
http://forum.efilive.com/showthread.php?t=5890http://forum.efilive.com/showthread.php?t=5809

http://forum.efilive.com/showthread.php?t=5890

I did the update 2nd one, I assumed the other E67 stuff was already incorporated into the latest release. Works now.