It is done all the time. There is nothing special with 373 gears other than they make you go faster and use a bit more gas.
Black '07 4.0 coupe. 19" GT Wheels, Bullitt susp & GT brake upgrade, GT500 strut plates, Dynomax exhaust w/GT mufflers, S/D Coil, Live Wires, JLT CAI w/Diablo tune, Hood struts, IPU, GT MyColor, Leather Pwr Seats, 13 Boss Strg Wheel, a/dim mirror, Homelink, amb light console, Ford Nav/SYNC, hood scoop, qtr & side scoops, r/w louvers, GT500 spoiler, CS/GT frt & rr bumpers, rad ext & batt-m/cyl covers, underhood caps, plenum cover, tloc 7.5 w/3.73's, Seq t/lights, trunk switch. Whew!