New 5.3L Z71 (2026) Tahoe here in Northern NV...
Installed Range DFM Disabler, J&L Oil Separator, and changed oil at ~1,200 miles...like the rig so far.
Question on Operating Temps...
Old 2015 5.3L Suburban I replaced rarely had Engine or Trans Temps over ~190F...even after 225k miles
Trying to...