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Power Strokes
6.0 Tech
196k all original. WHAT are you doing
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[QUOTE="Wildman, post: 1290704, member: 18533"] I suppose it depends on your definition of "oil breakdown". A GOOD oil, like Shell Rotella 5W-40, will not break down even under extreme conditions for at least 5,000 miles. However, if you run a cheap 15W-40 dino oil, its entirely possible to destroy it in 1,000 miles due to temperatures alone. [/QUOTE]
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