Guys, Thanks in advance for your help..
2020 Silverado 10spd, 4x4, 6.2L
We are about to start a crazy build and while the HP site says tuning is available, Id like to ask the pros that do this daily. We are building a heads, cam, headers, e85, meth,procharged truck, my concern is being able to tune for all it and of course the TCM.