McCahill was in favour of lifting the Automobile Manufacturer's Association ban on factory backed stock car racing; although the ban was agreed upon by GM, Ford and Chrysler in June 1957, manufacturers continued under-the-table efforts to provide performance parts and engines to racing teams or performance-car enthusiasts. McCahill chose to live in Florida as its climate permitted owning such cars as his Jaguar sedan, as corrosion problems inherent with this type of car would have been compounded by the Eastern climate.
