You could say it all started in 1955 when David B. McMahan, then fifteen years old and already riding a C37 Indian motorcycle, became the proud new owner of a '55 Studebaker Commander Coupe with just 600 miles on it. David sawed off the top with an acetylene torch, because what he really wanted was a convertible.
Above: The Studebaker after David B. McMahan turned it into a
convertible. Below: 1947 Bellanca, one of David B. McMahan's Planes.
David B. managed to survive his parent's ire and rebuilt the Studebaker's engine so that he could turn it into a dragster, adding a McCullough supercharger and getting the car to 104 mph in less than a quarter of a mile, impressive at the time.
McMahan owned a series of racecars after that, including an AC Ace when he was 18 years old. But he soon was distracted from cars by his love of flying machines - he also built a helicopter when he was 18, and was flying his own plane by the time he was 19. He continued to build airplanes, including a Lance Air4p, a single engine kit plane in 1993. The Lance Air4 could go to 330 mph, the fastest piston driven plane at the time. McMahan always liked things that go fast!
He met Marlon when Marlon was working as a limo driver and drove McMahan from his private jet into Indianapolis. McMahan was impressed by Marlon's enthusiasm and his new ideas and encouraged him to send him something on paper. Marlon did and McMahan decided to invest in Maxximus Technologies and make the G-Force car a reality.
