motor

- This is an analysis of motor oil viscosity grades, for the gasoline engine, listed in 1) the online version of the Jeep Gladiator owner's manual (revised), and 2) the "Mobil 1 Engine Oils Product Guide Sheet" (attached) - This can, of course, be done for any brand of motor oil; I used the...

The industry consensus on high mileage is 75,000 miles. This is a collection of links on this topic, including an article published by Valvoline and a number of high-mileage motor oil options for the 3.6L gasoline engine. Articles and Threads on High Mileage Motor Oil When to Start Using High...