You needed the mid length TH350, not the short shaft. Best bet is measure what you need (center of the u-joint to center of the u-joint), and go hit the J/Y. If you can't find one the right length, get one longer and have it shortened, that's a lot cheaper than building one from scratch,
ASE Certified Master Automotive Technician (well over 3 decades of experience,
'93 S10 SB,RC, Comp XR276 Hydraulic Roller, Vortec head 363, 400 + hp, built 700R4, JW 2800 stall lockup converter, 3.73 posi, disc brake, narrowed 8.8 Exploder rear, LS Camaro front discs, Cal-Trac clone traction bars, Best N/A passes to date: 7.76 in the 1/8th, firstname.lastname@example.org mph in the 1/4, gonna spray it one of these days...
76 Chevy Vega Drag Car, TWIN TURBO 355, P/G trans w/ brake and JW 4000 stall vert, 4 link back half, narrowed 9", 3.50 gears, 29.5x10.5W ET Drags. Best time9.669 @ 139.79, Latest video: https://www.youtube.com/watch?v=S59riYn ... ata_player