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Re: 7 reasons they (DIYers) SHOULDN'T work on their cars
Posted to Shop Management Forum on 8/7/2014 2 Replies

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What have you been using for oil? I've been using Mobil 1 at this point having tried various oil, some semi synthetic. I do have customers on extended drain intervals, most are in the 7500 mile inter... Login to read more.

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