i am pretty new to efi live and have just built my first tune for my 08 lmm. truck is a crew cab ltz with just a full exhaust. I started with a 40hp tune a well known tuner put out as a learning tool and modified it from there. so if you have the time and don't mind please look it over and give me some input on anything you see wrong or that could use modification I adjusted the high altitude and medium altitude files as I am sitting around 6500 ft above sea level and haven't seen a da under4500 ever. also what pids would you recommend to data log? rail pressure, pulse width etc... truck seems to run pretty good but would feel much more comfortable with input from others thank you for any help in advance 40hp_LMM Tune_K W_0001 new changes.tun