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这事儿好像以前讨论过几次，总结就是大家喜欢自己想，不原相信厂家的设计。
Today's Oil Goes the Distance
While the car-servicing industry is clear about its reasons for believing in the 3,000-mile oil change, customers cling to it only because they're largely unaware of advances in automotive technology. Among 2013 models, the majority of automakers call for oil changes at either 7,500 or 10,000 miles based on a normal service schedule, more than double the traditional 3,000-mile interval. The longest oil change interval is 15,000 miles for all Jaguar vehicles. The shortest oil change interval is 5,000 miles in some Hyundai and Kia models with turbo engines and Toyota vehicles that call for non-synthetic oil. Toyota has been shifting its fleet to 10,000-mile oil change intervals using synthetic oil.
"Oil has changed quite a bit and most of that isn't transparent to the average consuming public," said Robert Sutherland, principal scientist at Pennzoil Passenger Car Engine Lubricants.
Synthetic oils, such as the popular Mobil 1, are stretching oil change intervals, leaving the 3,000-mile mark in the dust. "The great majority of new vehicles today have a recommended oil change interval greater than 3,000 miles," said Mobil spokeswoman Kristen A. Hellmer. The company's most advanced synthetic product (Mobil 1 Extended Performance) is guaranteed for 15,000 miles.
Today's longer oil change intervals are due to:
Improved "robustness" of today's oils, with their ability to protect engines from wear and heat and still deliver good fuel economy with low emissions
More automakers using synthetic oil
Tighter tolerances (the gap between metal moving parts) of modern engines
The introduction of oil life monitoring systems, which notify the driver when an oil change is required and are based on the way the car is driven and the conditions it encounters. Sixteen of 34 carmakers now use oil life monitoring systems in their 2013 model-year vehicles, including all three domestic automakers. That represents a majority of the vehicles sold in the U.S.
美孚官网
How often should I change the oil if I'm using Mobil 1™?
Oil change intervals can be as short as 3,000 miles or as long as 15,000 miles on some new cars. We recommend that you follow the oil and filter change frequencies shown in your owner's manual, especially during the warranty period. With the high-performance reserves of Mobil 1, you can have the confidence to go the full mileage or time frame recommended by the vehicle manufacturer. Mobil 1 is especially suitable for the latest vehicles with extended drain intervals or vehicles with oil monitoring systems that vary oil drain intervals.
实在心理别扭的不愿意相信的，自己换就是了，每两年才400刀的事情，至于在这争么。 |
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有兴趣可以去车拖之家看看。