Yes I wish I would have used it longer. My commute has gone from about 8 miles to almost 40. I am going to be increasing the OCI to at least 5k and I want to convince myself to leave the new Ultra on for two OCIs.
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2002 Dakota Quad Cab 4x4-Delo XLE 10w30-Fram XG16 Filter
2007 Cobalt LT-Valvoline Maxlife 5w30-AC Delco Filter