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SVT Shelby GT500
Official UOA thread with oil poll
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<blockquote data-quote="UnleashedBeast" data-source="post: 11441869" data-attributes="member: 112023"><p>Here is another Motorcraft 5W-50 sample that was submitted. Thanks for your contribution to the GT500 community Michael.</p><p></p><p>[ATTACH=full]278827[/ATTACH]</p><p></p><p>Wear metal levels in the new 2011+ aluminum block seems to be improved over the previous iron block. This engine is still new, so these numbers will further decline. </p><p></p><p>Viscosity is a very light 40 grade lubricant. This is expected and normal for MC 5W-50. </p><p></p><p>Overall, things are doing fine, but I'm still not a fan of MC 5W-50 as this engine does not require a 50 grade lubricant.</p><p></p><p>I'm assuming since fuel dilution has decreased from the last sample that perhaps some driving habits have changed. Maybe no more short trips in the car giving the oil more time to heat up and evaporate contaminants. It could also be that the first sample was taken from a cold oil fill?</p><p></p><p>TBN shows consistency with other MC samples showing this oil is 5,000-7,500 max duration of use.</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 11441869, member: 112023"] Here is another Motorcraft 5W-50 sample that was submitted. Thanks for your contribution to the GT500 community Michael. [ATTACH=full]278827[/ATTACH] Wear metal levels in the new 2011+ aluminum block seems to be improved over the previous iron block. This engine is still new, so these numbers will further decline. Viscosity is a very light 40 grade lubricant. This is expected and normal for MC 5W-50. Overall, things are doing fine, but I'm still not a fan of MC 5W-50 as this engine does not require a 50 grade lubricant. I'm assuming since fuel dilution has decreased from the last sample that perhaps some driving habits have changed. Maybe no more short trips in the car giving the oil more time to heat up and evaporate contaminants. It could also be that the first sample was taken from a cold oil fill? TBN shows consistency with other MC samples showing this oil is 5,000-7,500 max duration of use. [/QUOTE]
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Official UOA thread with oil poll
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