I really fear getting involved in this discussion becuase there's so much mis-information around and people hold on to their opinions with religious fervor. So, why don't we check with the oil manufacturers themselves:
Mobil 1:
http://www.mobil1.com/mobil1_racing/about/products/engineoil/index.html Castrol SLX:
http://www.castrol.com/domino/casbstr.nsf/content/AutomotiveCarsCastrolSLX AMS Oil:
http://www.amsoil.com/products/tro.html Redline:
http://www.redlineoil.com/prod_frameset.htm SWEPCO:
http://www.swepcousa.com/lubesite/lubeprod.htm Also, Consumer Reports recently did one of the more definitive tests on engine oils and their determination was that ANY full SFI rated oil works well. The only real difference between regular oil and synthetic oil is synthetic oil's ability to handle higher heat loads. So, unless you are doing something that gets your oil temps about 240 degrees, ANY fully rated SFI oil will work fine in your Contour.
But, no one wants to believe that...
BTW... SWEPCO makes some of the best lubricants you can buy, according to every industry test their is, and they are pretty much the standard in the trucking industry. Unfortunately, they only sell in bulk.
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John Coffey
johncof@veriomail.com
