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Rotella T


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Is Shell Rotella T now labeled Rotela T4?


I see Rotella T advertized at walmart etc but on shell's website they show Rotela T4,,, Then there is T6 synthetic, and T5 syn blend


Is the "T" only stuff the old good stuff with higher zinc/phosphorus and the T4 the new stuff with alittle bit reduced Z/P ?

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I called shell tech guy

 Rotella T4 is the new label for Dec 2016, he stated


I asked about zinc/phosphorus content.  He stated Current rotella T is 12ppm or .12 and the new T4 will be "about" the same, the Tech Rep stated


For what its worh



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