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... Racing 1 SAE50 monograde oil. As far as 20w50 viscosity oils come, Brad Penn is what I use and recommend most. If you need a slightly lighter oil with exceptional wear performance, consider Swepco. Popular Science - Google Books Result Popular Science - Google Books Result Nov 1974 - 164 pages - Magazine RSL, Jenks, Oklahoma First, Pennsylvania grade crude oil refers to oil from a. one ...

http://werjdywawen.livejournal.com/14056.html
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Published: 3 months ago (Tue, 15 Sep 2009 21:30:13 PDT); 15 Kb
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