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Walked into my buddy's shop 3 months after he switched to full synthetic in his fleet and the sludge difference in those old Ford vans was wild
He pulled the valve covers off a 2012 E-250 with 180k miles that had been running conventional oil for 8 years, and after just 3 months of full synthetic you could see the clean metal peeking through where the dirty buildup used to be thick like peanut butter, anyone else see results that fast?
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hugo_hayes1d ago
Did they change the oil more often or just switch brands?
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casey8431d ago
Yeah I had basically the same thing happen with my old F-150. Switched to synthetic around 140k miles and by the next oil change the dipstick was way cleaner looking. Not as dramatic as seeing valve covers but still pretty crazy.
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