Originally Posted by
repechage
Maybe... the cups are aluminum, adding a washer behind the fixed cup will alter the locking engagement on the other side.. I would want complete thread engagement there in this instance.
The "washer" I used
is aluminum, from a Campagnolo kit. Works fine on the Campagnolo bottom bracket; haven't experienced any issues. (It was a way, back in the day. Thought I'd throw the idea out, as I hadn't seen it mentioned.)