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2012-2013 Boss 302 Mustang
Official GT 5.0/Boss 302 UOA thread
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<blockquote data-quote="UnleashedBeast" data-source="post: 14536188" data-attributes="member: 112023"><p>You're a "fool" for thinking HT/HS doesn't decrease when the formulation shears. Do you NOT understand how Viscosity Improving Polymers work? They expand when heated to maintain a higher viscosity at engine operating temperatures. When they wear out (shear), the formulation returns to the characteristics of the native base oil without polymers. Therefore HT/HS also decreases. It's a known proven fact Motorcraft 5W-50 shears rapidly to a light SAE 40 grade, within the first 1,500 miles. However, you continue to play devil's advocate for proven science. </p><p></p><p>I don't have to do anything. Amsoil 10W-40 does not shear like Motorcraft 5W-50, maintaining its virgin specification throughout the oil change interval within 10% or less. People track the Boss 302 and Track Pack GT all the time with Motorcraft 5W-50 when it has sheared past 1,500 miles. Therefore, they are tracking the car with a light SAE 40 grade lubricant, NOT a 50 grade. </p><p></p><p>You say the results would be insignificant between two identical factory Boss 302 cars. Oh geez, you talk about how Ford engineers know best, but at the same time downplay their quality control. Yet I am the one "talking out both side of my mouth". You would argue with the wall.</p><p></p><p><img src="https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xap1/v/t1.0-9/10801627_10152832818856145_1316409308306901397_n.jpg?oh=947fd2251fb11aadd1469d030630a45c&oe=54D6C71B&__gda__=1423457102_4c4ae7ecbb95e1b8571dad972300524f" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 14536188, member: 112023"] You're a "fool" for thinking HT/HS doesn't decrease when the formulation shears. Do you NOT understand how Viscosity Improving Polymers work? They expand when heated to maintain a higher viscosity at engine operating temperatures. When they wear out (shear), the formulation returns to the characteristics of the native base oil without polymers. Therefore HT/HS also decreases. It's a known proven fact Motorcraft 5W-50 shears rapidly to a light SAE 40 grade, within the first 1,500 miles. However, you continue to play devil's advocate for proven science. I don't have to do anything. Amsoil 10W-40 does not shear like Motorcraft 5W-50, maintaining its virgin specification throughout the oil change interval within 10% or less. People track the Boss 302 and Track Pack GT all the time with Motorcraft 5W-50 when it has sheared past 1,500 miles. Therefore, they are tracking the car with a light SAE 40 grade lubricant, NOT a 50 grade. You say the results would be insignificant between two identical factory Boss 302 cars. Oh geez, you talk about how Ford engineers know best, but at the same time downplay their quality control. Yet I am the one "talking out both side of my mouth". You would argue with the wall. [IMG]https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xap1/v/t1.0-9/10801627_10152832818856145_1316409308306901397_n.jpg?oh=947fd2251fb11aadd1469d030630a45c&oe=54D6C71B&__gda__=1423457102_4c4ae7ecbb95e1b8571dad972300524f[/IMG] [/QUOTE]
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2012-2013 Boss 302 Mustang
Official GT 5.0/Boss 302 UOA thread
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