Ford Mustang Forum - View Single Post - Castrol Synthetic Oil
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post #5 of (permalink) Old 02-20-2006
ts3096
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Joined: Feb 2006
Location: Harrisonville, NJ
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Quote:
Originally Posted by kscoyote
yeah, but it's a smaller bore/stroke (MUCH smaller than a BBC) so the effect will be much smaller due to a much smaller surface ares, and the testing was already done using motorcraft semi-synth. it won't be that dramatic.
Yeah, you're definitely right, I couldn't imagine more than 5, depending what you are switching from. But, I would still reccomend the syn. if you don't change your oil right on time, just for the added protection.
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