Here is the rear. I used both. One at the top about in line with the axle. The rear is about a foot from the bottom. I seem to recall the '40 used 2 rivets to attach at the rear. The guy I had work the fenders decided to weld them to prevent any cracking of the paint with rivets. I've also read some using a bolt that resembles the rivet. Not sure if using both was standard either. The setup I have seems to work fine. Hope this helps.
