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    Mobil 1 Annual protection... true or false?

    Some of those German cars have oil capacities of like 10 or 11 quarts, so the contaminants probably get a little more diluted, allowing for longer (and more expensive!) oil changes. I bought an LT1 out of a wreck one time with about 70 k miles- not sure what interval, but was using Mobil 1...
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