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SVT Shelby GT500
Motorcraft 5W50 VOA
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<blockquote data-quote="UnleashedBeast" data-source="post: 10231749" data-attributes="member: 112023"><p>No I will NOT be quiet. You are taking on an argument that you cannot win. It's not a LAW that the end user is forced to choose an API certified oil that is low in ZDDP. It's not law that an oil manufacturer is forced to limit the amounts of ZDDP. It's only policy that in order to pass the API SM/SN standards, ZDDP is limited to 800 ppm. The manufacturer recommended API certified products, so that they know the "minimum" standards are met. </p><p></p><p>That's really funny too...I've seen API SM logos on some of the cheapest crap engine oil you can find at the dollar store. It's rather humorous. </p><p></p><p>I've said this many times before as well. API SM "low ZDDP" formulations were brought forth to give added cushion to the manufacturers that the catalysts would survive over 100,000 miles (they were only required to warranty catalysts up to 80,000 miles during the API SL "high ZDDP" era. </p><p></p><p>This all comes down to NOACK Volatility, and the API doesn't even take it into consideration. DEE DEE DEE!!!</p><p></p><p>An engine lubricant with low volatilty (evaporation) and high ZDDP will contaminate a catalyst no more than an engine lubricant with high volatilty and low ZDDP. It's been proven, but the API ignores the fact. The manufacturers do not care that lower amounts of ZDDP are causing more wear than API SL formulations. The engine will be long out of warranty before the added wear becomes an issue. </p><p></p><p>Facts don't lie, and I have them. If you have to add anything to an engine oil, you chose the wrong oil...period.</p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 10231749, member: 112023"] No I will NOT be quiet. You are taking on an argument that you cannot win. It's not a LAW that the end user is forced to choose an API certified oil that is low in ZDDP. It's not law that an oil manufacturer is forced to limit the amounts of ZDDP. It's only policy that in order to pass the API SM/SN standards, ZDDP is limited to 800 ppm. The manufacturer recommended API certified products, so that they know the "minimum" standards are met. That's really funny too...I've seen API SM logos on some of the cheapest crap engine oil you can find at the dollar store. It's rather humorous. I've said this many times before as well. API SM "low ZDDP" formulations were brought forth to give added cushion to the manufacturers that the catalysts would survive over 100,000 miles (they were only required to warranty catalysts up to 80,000 miles during the API SL "high ZDDP" era. This all comes down to NOACK Volatility, and the API doesn't even take it into consideration. DEE DEE DEE!!! An engine lubricant with low volatilty (evaporation) and high ZDDP will contaminate a catalyst no more than an engine lubricant with high volatilty and low ZDDP. It's been proven, but the API ignores the fact. The manufacturers do not care that lower amounts of ZDDP are causing more wear than API SL formulations. The engine will be long out of warranty before the added wear becomes an issue. Facts don't lie, and I have them. If you have to add anything to an engine oil, you chose the wrong oil...period. [/QUOTE]
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