> Why can't the 7749 run two 454 (two barrel) TBI units? Driver wise, it can. YOu need to change the code of course :) -- Frederic Breitwieser Xephic Technology 769 Sylvan Ave #9 Bridgeport CT 06606 Tele: (203) 372-2707 Fax: (603) 372-1147 Web: http://xephic.dynip.com/