I am in the rinse phase of auto rx. I have about 1500 miles on it currently, I am going to be taking a trip to California in the Jeep. If I change the oil before the trip it will be 2000 to 2500 miles of rinse phase. Otherwise I will have to pay to have a quick lube place change it while on vacation, which obviously I dont want. so is that last 500-1000 miles that important??? The oil I will be using is Rotella Synthetic 5w-40 in a Jeep 4.0L at around 6-7k intervals.......
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