It may not be possible on all cars, but I was able to (with no small amount of cursing) remove the shroud on my Speedster without dropping the engine. It was necessary to resolve a persistent oil leak.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .