Putting together a useful list of videos. If you know of a good video, email it to me.
I am going to start the page off with LSX Cam swap video since LS engines love a cam upgrade especially if you have one of the truck engines.
Next video is valve springs. Especially the trucks and the LS1 engines you need to upgrade the pushrods and valve springs. So here is a video that gives decent details on changing LSX valve springs.