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Power Strokes
6.7 Aftermarket
Accidental use of synthetic oil
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[QUOTE="Notneb, post: 1369219, member: 22077"] Only time i remember synthetic being a big deal was with cork gaskets on older OTR trucks and farm equipment. Used synthetic once on a '50's Farmall and she leaked like a sieve when we tried using regular oil again, just had to replace the old gaskets. But to my knowledge cork hasn't been used in gaskets for half a century, but I believe that's where the "is it safe to switch" issue came from. I could be wrong as the night is young but the beer is half gone so... yeah... [/QUOTE]
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