Good info. I also include 10oz of motorkote lubricant. Pops been running it for many years in his big rigs. Has put millions of miles on them and never once had a problem with engine internals except injectors. Trans was always the first to go.Piston part numbers are the same for all LTG's from 2013 to 2018. Problem was in the tune, part throttle KR, GM addressed this an is easily seen in a comparison of a 2013-14 tune vs 15 and newer. If you have an 2013-2014 get it updated to a 2015 tune. Use premium fuel at all times, good oil and you'll be fine.