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2012-2013 Boss 302 Mustang
motorcraft 5W50 replaced by Mobil 1 by ford?
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<blockquote data-quote="UnleashedBeast" data-source="post: 13691807" data-attributes="member: 112023"><p>"Hey guys, I just installed all these go fast parts and an aftermarket tune. Left the oil factory though, would hate to void my warranty."</p><p></p><p><img src="http://images.wikia.com/adventuretimewithfinnandjake/images/0/05/Jackie-chan-meme.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p></p><p>Let me type this all over again....stupid network firewall!!!</p><p></p><p>You get the short condensed version this time.</p><p></p><p>Engineer wants a UOA on the engine that failed. They will look for TBN (detergent) levels, viscosity, additive package (does it conform to API SN standards), and wear metals. </p><p></p><p>The important part of this discussion is viscosity. Hard for Ford to void your warranty for using a less viscous lubricant when their's can't hold the rated viscosity. It shears from a heavy 50 grade (20 cSt) down to 12.x (heavy 30 grade). Have even seen some OEM fills dumped that were only 10.x (mid 30 grade). Keep thinking "Ford knows best", however.....there are far better options which yield far better results.</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 13691807, member: 112023"] "Hey guys, I just installed all these go fast parts and an aftermarket tune. Left the oil factory though, would hate to void my warranty." [IMG]http://images.wikia.com/adventuretimewithfinnandjake/images/0/05/Jackie-chan-meme.jpg[/IMG] Let me type this all over again....stupid network firewall!!! You get the short condensed version this time. Engineer wants a UOA on the engine that failed. They will look for TBN (detergent) levels, viscosity, additive package (does it conform to API SN standards), and wear metals. The important part of this discussion is viscosity. Hard for Ford to void your warranty for using a less viscous lubricant when their's can't hold the rated viscosity. It shears from a heavy 50 grade (20 cSt) down to 12.x (heavy 30 grade). Have even seen some OEM fills dumped that were only 10.x (mid 30 grade). Keep thinking "Ford knows best", however.....there are far better options which yield far better results. [/QUOTE]
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2012-2013 Boss 302 Mustang
motorcraft 5W50 replaced by Mobil 1 by ford?
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