I have a 235 engine and a t-5 tranny with electronic setup...(checkout cablespeedometer.com they have the conversion for the electronic trannys) with a s-10 rear from a 4x4 s-10 blazer...I used a 77 olds cutlass driveshaft that I had cut down to fit, i have no problems with my 46 1/2 ton

http://i629.photobucket.com/albums/uu14/kurtdh519/002-1.jpg