Don Garlits blew part of his right foot off using a overdrive in his last front engine dragster along with cutting the car in half when his homemade O.D. tranny exploded on the starting line the old Lions Drag Strip in 1970 work
Under drive tranny have work well for many, many years up It takes power to overdrive anything anytime scope

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)