cool oil or snake oil?

[Chris Dyer]

Of potential interest from a porsche source:

http://pelicanparts.com/techarticles/cool_collar/cool_collar.htm

Basically a finned ring of metal over the oil filter to lower the oil temp. 
Great if it works.  But I dunno--18 degrees cooler just from that? Coco's 
skeptical.

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