The C7 Z06 is the last 650hp car GM will ever sell you with a clutch pedal, and people are still arguing about heat soak instead of buying one. That's the whole take. I'll die on this hill. Yes, the 2015-16 cars will pull timing on lap three at a hot track. That's a real thing and it's also completely irrelevant to how 95% of these get used. 2017 brought the revised cooling and the bigger vents, so if the track matters to you, buy a '17+ and stop reading forum posts from 2016 written by people who never owned one. What you're actually getting: supercharged 6.2 LT4, 650hp and 650 lb-ft, 7-speed manual with rev match, Magnetic Ride, aluminum frame, dry sump. Third gear in this thing does not sound like a car you're legally allowed to own. Buying notes that matter more than the dyno sheet — pull the service history and look for a garage queen, not a Z07 with cooked rotors and a set of shaved Cup 2s. Carbon ceramics are glorious until you're quoting a replacement set. And factory fitmen...