Came off a buddies 98 Jeep 6-cyl...bought it couple years ago..daily driver ...known slugded engine but runs good and doesnt use oil...207k ...7k on this oci with conventional 5w/30...in went Royal Purple 5w/30 and another MO-90....knows about the start up rattle with these engines and has experienced it with anything but a OEM filter installed...check out the sludged trapped in the pleats..and the adbv is stiff...ewwwww...