SLOWZR1 on Instagram: "🚨 ZR1 TR6060 Breakdown MH3 vs. ME2 🚨 One of the most overlooked topics with the C6 Corvette ZR1 is the transmission differences. GM offered 2 versions of the Tremec TR6060, and depending on the year, your ZR1 came with one or the other. 2009–2011 (MH3) True 6-speed. All 6 gears are “power gears,” meaning the car reaches top speed in 6th. Ratios: 1st 2.29 | 2nd 1.61 | 3rd 1.21 | 4th 1.00 | 5th 0.81 | 6th 0.67 2012–2013 (ME2) Technically a 5 speed with an overdrive. 6th is