Use and Evaluation of HEAVY - DUTY ENGINE OILS 460197
IN carrying out their purpose of giving here a general survey of the use and evaluation of heavy-duty engine oils, the authors have divided their subject into four parts, each of which gives their answer to a question, namely:
What are heavy-duty oils and how are they made?
Can the engine performance quality of such oils be predicted from conventional inspection test data?
How can oils be properly evaluated as to engine performance characteristics?
When is it necessary to use heavy-duty oils, and how should they be used?