Originally Posted By: asiancivicmaniac
Originally Posted By: bvance554
The people who designed, engineered, built the car told me to use this, but I know better and I want to use this. Is that what you're saying?
Also, this car was engineered in Germany, so I am actually curious to see what is recommended for the car there.
Yeah, I dunno about that. In any case, your turbocharged engine has a pretty beefy oil-cooler. The Police Interceptor SHO is the same way requiring only a synblend (which all 5W-20 pretty much is)..
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It is also heavily speculated by many here that if it were not for CAFE standards in the US, 20 weight oils probably would not have become so widely used. This is evidenced by the exact model being sold in other countries recommending heavier oils. So even if a heavier oil is recommended for the exact same car then, most likely it will do no harm.
Some also "speculate" that the use of 5W-20 oils predates CAFE. They weren't very good initially, but then, I have an old Quaker State lubrication guide stating that some manufacturers recommended not using 5W-30 in sustained highway applications in the 1980's. The use of SAE20 oils were used in commercial and military trucking prior to multi-weight motor oils and Ford and Honda have run on 5W-20's for two decades now without any significant problems while cars requiring heavier oils (like Toyota 1.8L's) have sometimes developed oil consumption problems in some cases...
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Also, sarcasm really isn't conducive to answering my inquiry. If you have nothing of value to contribute, maybe you should find another thread where your reply actually adds to the discussion?
I understand no one likes sarcasm in their threads, but at the same time, if you're just starting one to read a sounding-board to validate what you wanted to do anyways rather than looking at other opinions then why even start a thread?
Personally I'd run Mobil 1 0W-20 EP with a high PAO content and call it a day to insure there are no warranty issues. But if 5W-30 makes you feel better than by all means have at it...