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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
2013 GT now takes 5w50??
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<blockquote data-quote="cidsamuth" data-source="post: 11806433" data-attributes="member: 110091"><p>I'm still using 5w-20 because I'm paranoid. But, for the sake of conversation . . . .</p><p></p><p>On one hand, I can see the argument to continue using 5w-20: There is an assumption that Ford knows better than others, and there is a fear that Ford will attempt to void the engine warranty if the wrong viscosity is used. However . . . </p><p></p><p>It might also be reasonable to assume that there are many factors that go into the car's final recommendations, to include CAFE, publicity, cost, etc. I think we can all agree the engineers are often overruled. </p><p></p><p>Also, we still have the issue of the normal 2013 GT and the 2013 Track Pack being mechanically identical (at least internally) while "requiring" different oil. On another forum, the Ford rep said this was because of the "expected use," which makes no sense because there is not a requirement to track a Track Pack Mustang, so the expected use would normally be similiar.</p><p></p><p>Also, the 4.6s controlled timing with oil pressure, but the 5.0s don't, do they? Also, the 2013s don't use oil squirters to control temps, do they? So, how would a different tune explain the different oil viscosities, i.e. how could the TiVCT be viscosity specific? Honest questions.</p></blockquote><p></p>
[QUOTE="cidsamuth, post: 11806433, member: 110091"] I'm still using 5w-20 because I'm paranoid. But, for the sake of conversation . . . . On one hand, I can see the argument to continue using 5w-20: There is an assumption that Ford knows better than others, and there is a fear that Ford will attempt to void the engine warranty if the wrong viscosity is used. However . . . It might also be reasonable to assume that there are many factors that go into the car's final recommendations, to include CAFE, publicity, cost, etc. I think we can all agree the engineers are often overruled. Also, we still have the issue of the normal 2013 GT and the 2013 Track Pack being mechanically identical (at least internally) while "requiring" different oil. On another forum, the Ford rep said this was because of the "expected use," which makes no sense because there is not a requirement to track a Track Pack Mustang, so the expected use would normally be similiar. Also, the 4.6s controlled timing with oil pressure, but the 5.0s don't, do they? Also, the 2013s don't use oil squirters to control temps, do they? So, how would a different tune explain the different oil viscosities, i.e. how could the TiVCT be viscosity specific? Honest questions. [/QUOTE]
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2013 GT now takes 5w50??
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