We need an 18 mm dia hole, 21 mm long, in the drive end of the shaft, to take a 1.5 mm wall brass bush, as a plain bearing for the 15 mm dia end of the gearbox input shaft. It used to run in a ball bearing set into the flywheel, but we can't afford the extra length. We just have the 20 mm adapter plate between the bell-housing and the motor flange. No packing ring. This is necessary to keep our long 132 frame motor from projecting too far forward and having the aircon/power-steering pulley hitting the sway bar.
We still have lathe work to do on the non-drive end as well. We have to turn that down from its current 27 mm dia to either 25.4 or 25 mm to take an xx10 taperlock (where xx is yet to be decided). Useful taperlock specs here (although we've been ordering them from Blackwoods):
http://www.austechindustrial.com.au/pro ... oductid=37
We thank Ross Pink of Electronic Innovations for the use of his lathe, and Pascal for operating it and teaching us how.
You'll notice the use of a hand drill with the lathe, as the lathe bed wasn't long enough for our rotor and the tail-stock. With care, and an existing center, the spinning of the workpiece keeps the hole axial. Yes, the drill was straightened up after that photo was taken.

So we didn't actually do anything to the shaft yet, that couldn't have been done with the shaft in the motor, with the motor being driven at low speed.
Next stage is to help Pascal set up the larger lathe he bought years ago but hasn't got around to aligning.