 Complete the following phrase:  Dan Gurney had tested Mickey Thompsons rear-engined Champ Car for the 1962 Indianapolis 500 and, convinced that the layout was a potential race-winner, approached Colin Chapman of Lotus with the idea of building a similar car for the 1963 Indianapolis 500. Chapman attended the 1962 race and Gurney then arranged a meeting with Ford to source a suitable engine. Later that year, Chapman had Jim Clark and Lotus mechanics Jim Endruweit and Dick Scammell sent to Indianapolis after the 