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2012-2013 Boss 302 Mustang
motorcraft 5W50 replaced by Mobil 1 by ford?
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<blockquote data-quote="DallasBoss" data-source="post: 13322846" data-attributes="member: 151672"><p>Another great and informative post Beast! I have the utmost confidence that my Boss is getting the best protection and performance from Amsoil SS 10-30, and Amsoil 10-40 for road racing. </p><p></p><p>I also use the SS 10-30 in my 408 stroker in my GTO, which is built with looser bearing clearances, and my oil pressure is perfect. I would never run a 50 weight for normal street use in a tighter clearanced, factory engine, because oil pressure would be too high.</p></blockquote><p></p>
[QUOTE="DallasBoss, post: 13322846, member: 151672"] Another great and informative post Beast! I have the utmost confidence that my Boss is getting the best protection and performance from Amsoil SS 10-30, and Amsoil 10-40 for road racing. I also use the SS 10-30 in my 408 stroker in my GTO, which is built with looser bearing clearances, and my oil pressure is perfect. I would never run a 50 weight for normal street use in a tighter clearanced, factory engine, because oil pressure would be too high. [/QUOTE]
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2012-2013 Boss 302 Mustang
motorcraft 5W50 replaced by Mobil 1 by ford?
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