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I was originally going to do all Max Life to my truck, but talking to a couple of mechanics, it seems all it does is "band-aid" future problems to come. Its also interesting to note that on the back of Max Life and other high mileage oils, they don't have the API Service SL, Energy Conserving doughnut. I think its way more important to keep up with maintence, change oil+filter every 3,000 miles, than to worry about different kinds of oils.
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