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2011-2014 Mustangs
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Synthetic Oils
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<blockquote data-quote="SVTStampede" data-source="post: 10788997" data-attributes="member: 38400"><p>You have to understand, that without specifics his post is unfortunately still nothing new. I agree that 5w30 would be ideal based on known information. I had a 2000 Lightning and was around for the "why does the 2001 now ask for 5w20" discussions. </p><p></p><p>My problem is that no one knows for sure the difference since only Ford and it's Non-disclosure employees have the stats. It could be negligible, it could be significant. I try to not be subscriber to opinions as science.</p><p></p><p>Ideally, based on Ford's recommendations in Australia, I think it would be best to run 5w20 until the warranty expires and then 5w30.</p></blockquote><p></p>
[QUOTE="SVTStampede, post: 10788997, member: 38400"] You have to understand, that without specifics his post is unfortunately still nothing new. I agree that 5w30 would be ideal based on known information. I had a 2000 Lightning and was around for the "why does the 2001 now ask for 5w20" discussions. My problem is that no one knows for sure the difference since only Ford and it's Non-disclosure employees have the stats. It could be negligible, it could be significant. I try to not be subscriber to opinions as science. Ideally, based on Ford's recommendations in Australia, I think it would be best to run 5w20 until the warranty expires and then 5w30. [/QUOTE]
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