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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Cold testing - Amsoil Signature 5W-20 vs. Motorcraft 5W-20
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<blockquote data-quote="dirtyd88" data-source="post: 13805867" data-attributes="member: 84007"><p>Amsoils website mentions 25k or 1 year, but I still like to shorten the intervals. Hell, they say the Ford semi-syn is good for 10k in our cars, but no way in hell will I go back 6k. Just don't like the risk, even if it's low.</p></blockquote><p></p>
[QUOTE="dirtyd88, post: 13805867, member: 84007"] Amsoils website mentions 25k or 1 year, but I still like to shorten the intervals. Hell, they say the Ford semi-syn is good for 10k in our cars, but no way in hell will I go back 6k. Just don't like the risk, even if it's low. [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Cold testing - Amsoil Signature 5W-20 vs. Motorcraft 5W-20
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