Please use extreme caution when working with a nearly empty gas tank. The explosive force capabilities of a gas tank is quite large. I would suggest wrapping the tip of the screwdriver with electrical tape to minimize the likely hood of creating a spark.
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible