Nperformance18
June 1st, 2025, 08:33 AM
I'm wanting to tune an Allison 2000 in an HD application behind a 24v 5.9 cummins with an AL5 TCM. How do the tuning options work? Do I need the GM Tuning option as the Allison tcms were gm controllers or do I need cummins hd since it's in a j1939 application. Any help is greatly appreciated.