I just received my beautiful new SHO source coilovers this week. I am an ASE certified auto mechanic, but I just have a few questions to get me started, and thought I would start a thread for all of the others that are waiting to put these things of beauty on their cars. 1. Should I tighten the top nut with an impact? I don't see another way, but with the nylon washer in the top nut, I'm worried about it spinning the shaft, and there is no way to hold the shaft with the adjustment on the top. 2. What spring preload should I use? It looks like for a sports car coilover, zero preload is mostly recommended unless you have problems after install. Anyone have any suggestions for the SHO? 3. Where do I even start with height adjustment? Just put them in as they are, get the car back on the ground and then figure out where I need to go from there? 4. Sway bar preload. Not sure what the best adjustment is for the sway bars either. Do I try and keep the stock placement? If anyone has more questions, feel free to ask in this thread as well. I'm just trying to get some information out there for everyone. Thanks!