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6 quarts of Mobil 1 and a Mopar filter from Walmart - $35
Not too terrible really, but I would be interested in knowing how my oil is doing at 4k miles and if it really needs to be changed or not. Does anybody know if there is a cheap pH test you can do on your oil? Mine is always black when it's oilchange time, but that doesn't really mean it's used up.
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