Thread: ZDDP in Shell Rotella T
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remroc remroc is offline
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Join Date: Mar 2008
Location: Sedona, AZ
Posts: 36
The high mileage Mobil one 10w-40 is not SM but SL. Does anyone know the zinc level? Walmart has the 5 qt. jugs for $26.
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Old 10-14-2008, 05:10 AM
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