Hey guys,, im new to tuning,,i been tuning my 2014 sierra using the tuning school guide,,, i took it to the track i think is running good, i ran a 8.8s in the 1/8th its a crew cab with 3.08 gears on 24inch wheels,,i have no knocks on my logs,,anyways im posting my tune for you guys to see if theirs any room for improvements let me know thanks.