I tackled mine VGC on the expansion tank side. it was such a bitch. Especially the injector wire box. So sick of it. I have so far only done one side. Which is the coolant expansion side. I ended up wrecking the whole injector/electrical box and bent the metal tabs that support the box up to lift the valve cover off. I'll be doing a wire-tuck like I did for my Honda project I worked on at home.
From this bunch of wires..


To this. Heat wrapped/shrunk and sleeved all individually.