anyone know how they got the new 2019 engines to be so quiet?
A couple of things, but the main mechanical change on the 6.7 itself was hydraulic lifters.
2011,4wd LB/CC 2500 H&S Mini MCC by Tomeygun, BD protect 68rfe VB seperator plate enhanced stall triple disk TC, Super B 64.5/80/.91 3rd gen mani & inline EB, Arp 425s, Fass Titanium 95. Spare Mini in my closet.
High tech old school and finally lovin it.