Steve,
You're gonna freak when I tell you this, but I accidentally found a way to make them work much better. The problem was plate spacing (gasket thickness) and the fact that I went with no neutral plates this first go 'round. Plate thickness is .05", gaskets are .04", and the out to out on those bayonet receivers is about .055 or .056". You can see my dilemma... So I thought, "Hhmmm, I can gain a few thousandths if I put these things in the vise while on a plates tab." So I tried it, it worked perfectly, it also gave me about twice the contact area per connector due to the fact that the little spring curl on the backside of them was now flattened and more than just the edge (material) thickness was in contact with the back side of the tab now. Oh, and I also use use a dab of NOALOX in every single connector (female/receiver). That stuff is amazing, I use it on ALL of the electrical connections on my truck that I have ever had apart for maintenance or upgrades, it actually got me back a solid two volts of charging capacity through decreased resistance. BUT- let me say this, since I learned about copper plating stainless over in Nick's Realm, from now on the tabs get plated then the conductors get soldered directly to them... All is fair in the battle against resistance!