I am curious on a couple of items and hoping the group can help me out.

My first question is on shocks. I understand that the red bodied or single adjustable shocks can be mounted in any orientation but I see the majority mounted with the shock body up rather than down. Is there a specific reason for this or just personal personal preference?

Second question is on the upper A arms. Is it generally considered good practice to shorten the trailing adjustment sleeve whether you can meet the preferred installation measurement or not? I see some do it automatically and others don't mention it. I do have power steering.

Thanks in advance.