Hi, I just installed my second V8 and I'm having the same worries. I have an Asrock gen3 pro board with a 2600k proc. The first one I installed would not tighten down right. I was only able to get so far until the screws would start turning with the nuts. I thought they were stripped so I RMA'd it. Last night I received my second and the same thing happened. The screws are preinstalled with springs in the top brackets and do not stay tightly in place. I have it installed on my board and it is tight and cooling great but the top bracket is not tightened down to hit the rubber spacers and I turned each of the nuts until the screws turned with them. Is this normal? Never had this problem with my thermalright ultra extreme.