Sonoma seems to be the NASA Northern California Region's favorite race track this year. Once again, we packed our bags on Friday September 8th and headed up to wine country for Round 6 of the 2017 NASA Super Touring Series. "Irene" had received her usual post-event treatment at Trackspec after two days of hard racing at Thunderhill last month. This included a thorough inspection from head to toe, fresh GLOC brake pads (the fronts were getting low), an alignment, fresh Motul fluids, and a new differential cooler pump switch (we discovered that the automatic temperature switch was no longer working and opted for a more reliable route)...