After a lengthy hiatus, our red C5 Corvette Z06 is almost ready for the track. For nearly two months it has been worked on from top to bottom and from front to rear. The list of service and replacement items was extensive and comes after three years of nothing more than track outings. For a moment, we were even talking about replacing it with a C7 Z06 Vette and on a recent road trip Margo searched the web for every piece of information on the C7 Z06 after our local GM dealer put a very attractive package together for us. A black C7 Z06 with the optional Z07 package and with detailing that included the upgraded interior, where the double stitching was done in yellow as were the powder-coated brake calipers – the touch of yellow on an otherwise black Corvette was all rather striking - and we came very close to pulling the trigger on the deal. But then, stepping back and looking at our C5 Z06 and having already experienced a supercharged C6 Vette on track, we decided to spend the m...