By the sounds of it, don't do anything until you adjust the brake push rod. I am putting my money on that being your problem from the descriptions. You'll be cruising Saturday morning after a 5 minute job.
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible