2008 Jeep Wrangler Unlimited Rubicon, 3.8.
120,191
Out: Whatever conventional 0w20 my dealer uses. (Replaced upper oil pan gasket), Fram Ultra Guard XG3600 with about 12k miles on it. (Older 15k version of this filter.)
In: Mobil 1 High Mileage 5w30, SN certification, Fram Ultra Guard XG3600, new 20k mile version. I'll run it for at least 2 oil changes, 6k miles each. I might even do a third with it, if I go 5k with each OCI. We'll see.
120,191
Out: Whatever conventional 0w20 my dealer uses. (Replaced upper oil pan gasket), Fram Ultra Guard XG3600 with about 12k miles on it. (Older 15k version of this filter.)
In: Mobil 1 High Mileage 5w30, SN certification, Fram Ultra Guard XG3600, new 20k mile version. I'll run it for at least 2 oil changes, 6k miles each. I might even do a third with it, if I go 5k with each OCI. We'll see.