Just curious if you pulled the PHS on this bird. In one of your pics, it looks like there's a ram air pull knob to the lower right of the steering wheel. Could be something added later, but might be worth checking.
68 400 convertible - recent purchase
Used to own: 69 400 convertible - Winward Blue 69 350 convertible - Verdoro Green 69 350 coupe - Matador Red