John, you can use your 46 bellhousing, clutch disk, pressure plate and flywheel, on any 235. I would use a new throw out bearing and clutch disk when you do the swap. Now if you have an orig. 46 3spd now you can use it also. It will work great with the 235 and the 3.55 gears. This is the combo I started out with. I used a set of Patricks 3.55 gears with my 46 torque tube. It worked out very well, I just like the T5 better.
I would say if you can use the 3.55 torque tube in your 46 housing, go for it, you'll be glad you did.
George
