The next-gen heavy-duty engine oil standard (PC-12) has been formally approved, announced the American Petroleum Institute, which also introduced the new CL-4 and FB-4 “donut” certification marks ...
Is it worthwhile to take the extra time to pre-fill your oil filter? What are the benefits of the practice and how is the process accomplished?
There's more to engine oil than the weights. They also have to meet certain specifications, including a new standard that ...
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