Top 5 worst A-body repairs/restoration jobs

skep419 said
Things that aren't that fun to get to,repair, etc.
Currently working on a power steering box that I botched and it got me thinking.

1. Dash removal
2. Rear window regulators
3. proportioning valve with the engine in.
4. steering box with the engine in.
5. headliner

Let's see your lists.

Just remember, you will learn a couple things when you do a lot of this stuff. You will either learn how to do the job correctly and fix the problem or you will learn your limitations and figure out that some things are better left for the experts.