Dave, thanks for posting your experience!
1. There should have been a plastic envelope with fan/shroud instructions as well as care and use instructions. We even include a Cold Case emblem! It should have been in the radiator box if you received separate boxes. Matter of fact, it should have been in the main box even if everything was in one big box. (we are currently changing over from multiple box kits to one box kits)
2. I believe various LS's have different size steam ports? However, a couple popular fittings included for the steam port is a good idea.
3. we are aware of this and are going to include extra's for a match in the future.
4. We are still debating what cap to include with our kits. In the mean time, if anyone asks for a cap, we will include it free.
5. the missing instructions discuss the rad cap options and specs. Sorry.
This is why we appreciate even some less than perfect feedback. We're pretty new. We can't think of everything but this type of feedback will help future enthusiasts. thanks again!