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04-16-2007, 05:06 PM
All Mobil 1 oils are not 100% synthetic base. They do not meet certain specifications set forth by Automotive Manufacturers Association (ACEA) This organization sets the oil standards in Europe. Where the American Petroleum Institute (API) sets the standards in the US. Unfortunately for the U.S. consumers the API oil standards are often lower tier to make all parties happy and ultimately the oil formulation is a compromise for fuel consumption, emissions, and cost issues. It is not illegal for an oil manufacturer to state that an oil is full synthetic even though only a it may not be.
The law suit mentioned in the above post cost Mercedes Benz 32 million. This was brought on by engine failures caused by oil being used that did not meet the strict ACEA oil specifications in their flexible service system vehicles with extended drain intervals. Many of these engine failures were using Mobil One 5w30and 10w30 (available at Wall Mart) when the only oil that was approved was their 0w40 European formula. Although synthetic oils are a vast improvement over conventional oils not all of them meet the standards set forth by many European car manufactures. In the U.S. Many people choose their oil based on TV commercials rather than real test data on their specific engine. Today's engines (and transmissions) are changing rapidly and so are the oils required to keep them running properly. One oil that meets these ACEA standards is Elf synthetic motor oil. ELf has a vast array of oils that are meeting the standards set forth by all European car manufactures including Porsche. If you not careful what oil product you use it is possible for the manufacturer to deny warranty coverage. So chose your oil wisely because the incorrect selection can cost alot more than the 3 $ per quart more you may spend for oil with the correct properties.
SM
The law suit mentioned in the above post cost Mercedes Benz 32 million. This was brought on by engine failures caused by oil being used that did not meet the strict ACEA oil specifications in their flexible service system vehicles with extended drain intervals. Many of these engine failures were using Mobil One 5w30and 10w30 (available at Wall Mart) when the only oil that was approved was their 0w40 European formula. Although synthetic oils are a vast improvement over conventional oils not all of them meet the standards set forth by many European car manufactures. In the U.S. Many people choose their oil based on TV commercials rather than real test data on their specific engine. Today's engines (and transmissions) are changing rapidly and so are the oils required to keep them running properly. One oil that meets these ACEA standards is Elf synthetic motor oil. ELf has a vast array of oils that are meeting the standards set forth by all European car manufactures including Porsche. If you not careful what oil product you use it is possible for the manufacturer to deny warranty coverage. So chose your oil wisely because the incorrect selection can cost alot more than the 3 $ per quart more you may spend for oil with the correct properties.
SM
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