When looking for a t5 you need to consider what cluch you will use, most s10 had a 14 spline input, v8 t5 have a 26 spline, ford uses a 10 spline and the input shat is longer. There is a good article at
www.inliners.org under tech tips that will give you a little insight on this and there have been numerous discussion on this if you use the search tool.