AJM, while you have your old CVs near by, lay them side by side and check out the differences in length on them. NOT much. I was looking at my old ones today trying to visualize shortening the passenger side to mod it to be able to use a driver side CV. The missing piece in the picture is an inner shaft from the driver side. I know a gentleman who can weld bubble gum and I know he would be up to laying a bead around the hybrid shaft.
Seriously though, how well and long would one of the Suzuki bushings hold or support the short shaft on the passenger side? I'm wondering if the bushing would prevent the CV from totally munching the passenger side housing seal within a few thousand miles versus 50 or 60K miles. Guess it would be preferable to no bushing or bearing at all, but still I'd like to have some idea of how well a bushing would work versus a support bearing on the passenger side.