Ya might be better off with a 6-53,or 71,(if you're talkin' tandem truck. If you're thinking about the swap in your Chevy,then it makes good sense. There are a bunch of video's on "Youtube,where several pick-ups have swapped these engines! This member of the "Bolt",(Grigg Mullen),installed one in his A.D. 2-ton! No Allison,though. Roadranger 10-speed! Love the sound! You can get through those gears quick,with a "D-Troit"! (Called General Motors Diesel,back in the day).http://www.youtube.com/watch?v=tGzUb2Rpges
