I purchased 2020 Chevy Trailboss 6.2L and I just hit over 6k miles and had take into shop bad lifters and bent rod. Very disappointing. I purchased the Pulsar LT today and when I get my truck back I plan to disable DFM and Auto/Stop Start. I have noticed black res exhaust tail end cap or tips which indicates possible oil and gas issue also which could lead to carbon build up. I hope turning off DFM will also resolve this and running all 8 cyl will burn properly and have cleaner exhaust. Think will also prolong life of engine (I hope) I’ve owned FORD , TOYOTA, NIssan but this is my first Chevy truck and having major engine issues 6k miles is concerning.