Quote:
Originally Posted by Steiglitz
if you take the best oil and the worst oil and run them in a car, there will be little or no difference in MPG, and perhaps 1% or less.
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True. But did a synthetic oil making company tell you that? No!
Same situation in regards to the engine longevity issue. No synthetic oil making company has been willing to publicly admit that for 35 years Toyota has been building engines that last between 500,000 - 1,000,000 miles when run on plain conventional oil:
http://i5.photobucket.com/albums/y18...leowrfield.jpg
http://i5.photobucket.com/albums/y18...ch/conv18r.jpg
http://i5.photobucket.com/albums/y18...tech/957-1.jpg