For a stock 1999-2000 "///M coupe" with 3.23 final gearing and the stock 245/40x17 (using 24.76" diameter), and a 6750 redline ... here's what an Excel program tells me: 1st gear: 36.6 mph 2nd gear: 61.8 mph 3rd gear: 92.7 mph 4th gear: 124.1 mph 5th gear: 153.9 mph (137 mph limiter bypassed)