Definitely put on the heat shield. I wound up eventually putting a high torque starter on my Catalina to avoid the issue all together, but I frankly hate the way it sounds when starting. Worse than an old Dodge.
If it happens with the bird, I will just deal with it.
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible