conventional oil flows more slowly through your engine, ensuring every part is lubricated. Older engines require more lubrication to keep things running smoothly and resist breakdown, so many mechanics recommend conventional oil for cars over 75,000 miles. ...
Until synthetic oils became more widespread in the aftermath of World War II, conventional motor oil was the industry standard. Since then, the use of conventional motor oil has been steadily challenged by synthetic motor oils, particularly in new and high-performance cars. Nonetheless, non-syn...
High mileage oils prevent leaks by using components that restore degraded to reduce or prevent leakage. They offer better engine wear protection for older cars than if conventional low viscosity engine oils are used. High-mileage engine oils also protect engines against sludge and deposit buildup. ...
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Synthetic or Conventional OilMichael Walker
Myth: Full synthetic oil is not good for high mileage cars or older vehicles. Myth: You should break in your engine with conventional oil before you start using synthetic oil. Myth: Using a synthetic oil voids a car’s warranty. Myth: Synthetic oil can't be used with ethanol-containing ...
Preventive maintenanceexpenses are increasing as more OEMs require the use of more expensivesynthetic motor oilfor new models, which costs about 60% more than traditional mineral-based motor oils. This escalating cost will continue as older company vehicles using conventional motor oil are retired fro...
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