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Old 10-13-2000, 07:38 AM
johngray johngray is offline
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Join Date: Aug 2000
Posts: 82
I think using synthetic and sticking to the same drain intervals, 3K for example, is a waste of money and oil. You should at least be able to multiply your interval by the multiple of the cost of synthetic vs. mineral oil. Seems to me that would be the whole point of using synthetics: not having to change as often. I think the best cost/benefit ratio is to use mineral oil and change at 4 to 5K.
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