Oil contamination of the belt drive has been a death sentence, due to the rubber and fiber construction of the belt.
Since the adoption of timing belts by auto manufacturers began in the early 1970s, it has been pretty well beaten into our heads that oil and timing belts do not play well together. Oil contamination of the belt drive has been a death sentence, due to the rubber and fiber construction of the traditional timing belt. Oil attacked the rubber as well as the raw edge of the belt with its exposed fibers, weakening the belt until it delaminated (losing its teeth), or the belt snapped.
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New cooling systems anticipate and influence changes in coolant temperature.
Understanding why spark plugs get dirty.
PCV systems are far more complex now, but they are also much better at controlling crankcase pressure.
Up to 50% of turbocharger failures are due to oiling problems.
To gain a better perspective on fuel trims, think about how “analog” vehicles dealt with changing fuel and air mixtures.
The .01 Micron SuperStar Filter includes a differential pressure gauge and comes with mounting brackets.
Many 0W16 oils have a new donut certification mark on the bottle called API SN-PLUS and SN-PLUS Resource Conserving.