Quote:
Originally Posted by 911tracker85
JD
I was a math major and my room mate was a philosophy major. when he was taking a 'logic' class and get stuck on an argument, I would convert the various phrases to symbols and then turned the whole think into a symbolic logic equation to solve. 
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Sounds more like a "critical thinking" course. All of mine revolved around this
Takes the fun out of arguments with most people though once you understand it...
As for oil, running 10w40 amsoil. Will be increasing to 20w50 z rod for the added zinc. Flash I noticed you still run the 10w40. I get more valve train noise with the 10w40 after a few thousand miles. Seems to break down and lose viscosity too quick. I figure the 20w50 will maintain its weight as it breaks down relative to the 10w40.