That and Vig converters SUCK on the top end anyway lol. He got beat pretty badly by the Mach 1 awhile back, changed to 3.73's, and added a cutout and wanted a rematch.......
damn right they do. i used to have a vigilante 3600. replaced it with a circle d 4000. It was a night and day difference. The bitch picked up like 3 mph at the track