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SVTPerformance's Chain of Restaurants
The Greasy Spoon
New study from Amsoil
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<blockquote data-quote="UnleashedBeast" data-source="post: 13338336" data-attributes="member: 112023"><p>I bought everything that remained at all 5 local Walmart stores. Found 14 quarts for $4.00 to $5.00 each. All of them were API SN formulation. There were two quarts of API SM, but I left that junk on the shelf. </p><p></p><p></p><p></p><p>Amsoil is not the only PAO/Ester based synthetic. Red Line, Royal Purple, Motul, and others blend them as well.</p><p></p><p></p><p></p><p>The government forced auto manufacturers to warranty emission systems on cars longer (higher miles). To reduce warranty claims past 80,000 miles, manufacturers adopted formulations with lower ZDDP content. I have been comparing high and low ZDDP formulations for years. In most street applications, I've yet to see a trend of proof that high ZDDP was actually required.</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 13338336, member: 112023"] I bought everything that remained at all 5 local Walmart stores. Found 14 quarts for $4.00 to $5.00 each. All of them were API SN formulation. There were two quarts of API SM, but I left that junk on the shelf. Amsoil is not the only PAO/Ester based synthetic. Red Line, Royal Purple, Motul, and others blend them as well. The government forced auto manufacturers to warranty emission systems on cars longer (higher miles). To reduce warranty claims past 80,000 miles, manufacturers adopted formulations with lower ZDDP content. I have been comparing high and low ZDDP formulations for years. In most street applications, I've yet to see a trend of proof that high ZDDP was actually required. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Greasy Spoon
New study from Amsoil
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