The ones who modified the stock fiero rear wheel flange, machined a plate for the backside of the wheel flange, welded it to the wheel flange, and then turned the face down.
The rear wheel bearings can be disassembled and reassembled, but you are left with the stock wheel bearing flange that has already been proven to break under racing applications.
You can custom machine an S10 wheel bearing as well as the 88 upright -
https://www.fiero.nl/forum/Forum2/HTML/120747.htmlAn even better method is to use the 2005+ W-body wheel bearings and redrill them or just use the C5 wheel bearing -
https://www.fiero.nl/forum/Forum2/HTML/125016.htmlOr go all out and redesign the upright to accept the bearing of your choosing -
http://coppertopautosports....art=14&by-date=false