He and others find it interesting that the car originally had a 4-barrel carb. This makes it very possible that it was originally equipped with an XT Falcon GT 302. In various articles on the car HP figures vary from 220 to 290. Similarly the front disc brakes have been variously described as XT-GT (non-ventilated) and 11" ventilated.
In the 2 photos above, we see the unpolished parts of the 2-piece wheels painted black.