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Anyone know anything about Torco or done any analysis on their oils? Basically, if a lighter oil will do the job, I wouldn't mind decreasing my drain interval and changing oil more often. -Tom

Anyone ever do any actual dyno testing on lighter weight oils? I would assume that if the auto makers are doing this for cafe, then it MUST reduce fuel consumption and the only way I can figure it to do this, is to reduce internal drag and increase net hp.

I have read a great deal of discussion on the new 5W-20 synthetics. I am under the impression that Mobil One is about to come out with a 5W-20 or 0W-20 oil soon. My questions are slightly different than what I have seen discussed. I am interested in max hp out of my 2002 Z06 while still...