Bare with me I'm new to the 03-05 Cummins tuning. I've tuned Duramax's with EFI live and 07-09 trucks with EFI live I've got some questions.
#1 I need a 2004 stock tune file from some one and if you have one THANK YOU in advance.
#2 What is the best way to go about writing a tow tune and a fuel economy tune?
#3 What should be safe zones on a 2004 like a safe timing to stay under, rail pressure, and microsecond?
Help is much appreciated thank you!