Zombie thread alert!!!!
36780 mi, returned from Salem recently; up via Tonopah/Burns/Bend, down via Shasta/Susanville/395/Needles. Hottest air temp was 122f midway from Barstow to Needles, oil temp steady at 239, with spikes to 245 on grades. Speeds once again 62mph cruising, with an average of 50 or so on the grades.
Still delivering a consistent 18.6, with a low of 16.9 on the Susanville-Bishop pull. Once back home, it was ready for a PMI: front pads measure 6/32", rear 5/32", tread average 5/32", with a recorded lowest of 4/32". No deficiencies noted with the drivetrain, suspension (including air bags), exhaust, or operating system.
14 Serenity 28'
15 Grand Cherokee EcoD