FYI - Castol Edge Syntec 5w50 on sale at NAPA $5.69/qt. I'm stocking up
http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=CDE250_0006406850
http://www.napaonline.com/Catalog/CatalogItemDetail.aspx?R=CDE250_0006406850
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