Quoted from Jason_Jehosaphat:
A good point, and you might well be right regarding braces from sources other than Pinball life. But the braces I got are made from such thick steel plate that they are effectively rigid. If you expect to overcome gaps simply be torqueing your screws, the only thing that will flex to make the connection is your cabinet. And how do I know this? Because I tried to install my first brace without the shims, hoping the bracket would flex to meet the cabinet walls. It did not. I was dismayed by this reality, but rather than complain to Stern/Pinball Life I spent a couple of more hours addressing the problem with shims to ensure a smart install. I try not to “mess up” and throw away my time on senseless additional work, believe it or not. And no, I’m not an engineer.
This is pretty obvious that this gentleman has different brackets than what you guys are dealing with. Or the cabinet dimensions are different . If he took a bolt and a nut with a hole through the cabinet and tried to suck that bracket back to the wood he be pulling the wood and cracking it or be pulling that bolt right through the wood. Especially with everybody commenting on the crappy quality of the wood. There is no way a wood screw, I don't care what kind it is is going to pull that steal back, it's too rigid . His fix for that bracket is what exactly should have been done. I deal with mechanical things in my profession and I'm no engineer but that's pretty much a no-brainer as far as what he's up against. He resolved it properly and looks like a much stronger bracket then want you guys are using. Not that that's needed.