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Power Strokes
6.7 Tech
Oil filter change interval with synthetic oil
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[QUOTE="dmd, post: 1403091, member: 1848"] Mechanics on this board have said several times that the worn engines usually come from running synth oil. Not from the oil, it is fine. The problem is the contaminates. Just because you run synth doesnt mean that there are not the same contaminates as a good quality dyno oil.Folks like to run the synth too long and the engine wears from the junk in the oil. Way better to run dino and change at 5k, than run synth longer when the oil is a mess. Key is to get it tested the way you drive, then you will know when it needs to be changed and then take off 500-1000 miles and change it a little early. Oil is cheap compared to any lubrication related problems. [/QUOTE]
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6.7 Tech
Oil filter change interval with synthetic oil
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