It’s becoming quite a pattern, and one I am more than acutely aware of, as it’s an indication that progress is being made. Each Tuesday before a track weekend we are finding ourselves in the shop at A&A Corvette Performance, the big Vette up on the lift, and either Jessie or James busily working hard on last minute adjustments. We are now driving the Vette much harder than we ever have before, and components are beginning to wear out fast and the stress this is generating on some parts requires almost constant attention. This past Tuesday however, we were still trying to track down a gremlin that was kicking on the Check Engine Light and throwing up the message “Engine Hot / Air Conditioning Off” in the two line Driver Information Center (DIC). It had first appeared as we were driving to the track at Laguna Seca, but after saving the ECU program, installing a GM fix, and reloading the program, we thought we had it licked, yet barely a day later, up came the message again. Swap...