Okay, I bought my kit and it's going in this weekend, of the people who have installed them (lol) is there any surprises I should know about? I bought the zex plugs, and I ahve my air fuel ratio guage in, is that all? Please help, want to go very smoothly.<img src=icon_smile.gif border=0 align=middle><img src=icon_smile.gif border=0 align=middle>