Engine oil analysis and degradation monitoring are critical practices in maintaining the health and efficiency of internal combustion engines. By analyzing used engine oil, technicians can gain ...

Engine oil tends to get all the attention when it comes to fluid analysis discussions. Legitimately, it should get a lot of press because of the expense associated with engine repairs and failures.

In the past, there have been similar shifts in preferred engine oil viscosity grades. An example is the transition in heavy duty diesel engine oils in the 1980s from monograde viscosity SAE 30 and ...