Astra Turbo (z20let) Timing Belt Install - Part 2 of 2

Warning. Serious damage may occur to your engine if the timing marks are not correctly positioned. Only undertake if you have the tools and the confidence for such a job.
Please source other advice and guides to compliment this video.
Time lapse installation video of installing the z20let timing belt. Removal and install of water pump is in part 1.