I am compiling a list of all the T42 4L80E Tune Files for use by everyone here. I will host the tune files on our website and in this thread.

Please feel free to load the tunes in this thread. I will compile them and list them by year, application and operating system.

Thanks for all your help.

Van -

SUV -

Truck -

2006 -

2007 -

2008 -

2009 -