I did a search but did not find what I was looking for. Wife's 2003 Explorer V6, 33k on it. I did an Auto RX treatment on it, and the engine's running on the rinse oil right now. I bought some Mobil 1 5w-30 in the jug as the regular oil when I change it next. I also have some LC on hand. My question is what kind of mileage should/can I put on the Mobil 1 oil with regular LC treatments? Also, how much LC should I use at first and every time after that, considering the pan holds about 5 quarts? I plan on changing oil filters every 3k, and the vehicle just received its 30k mile maintenance, and has new air and fuel filters btw.