Lexus GS430 DIY Cylinder Head Rebuild - On the Driveway!

This is Part 3 of what started as a valve cover gasket replacement, (see Part 1) Cam and VVTi seal replacement (see Part 2) and, thanks to one little mistake, has now turned into a Top End Rebuild of my engine... on my driveway... in Winter.
What could go wrong? Lots!
Part 1 Here: • Project GS430 E1 - Cam...
Part 2 Here: • Lexus GS430 Cam and VV...