S speedje7 New Member Messages 1 Reaction score 2 Sep 28, 2023 #1 hello I have a bully dog 40428 diesel tuner made for 2007.5-2015 duramax and I would like to install it on a duramax 2006 6.6 is it possible to install the program from the 40420 in the 40428
hello I have a bully dog 40428 diesel tuner made for 2007.5-2015 duramax and I would like to install it on a duramax 2006 6.6 is it possible to install the program from the 40420 in the 40428