page_title: Walter Hayes
section_title: Cosworth DFV
hierarchical_section_title: Walter Hayes / Biography / Ford / Cosworth DFV
context_page_description: Walter Leopold Arthur Hayes CBE was an English journalist, and later public relations executive for Ford.
  Hayes was key in developing Ford's Formula One program, by signing Jackie Stewart and funding the building of the Cosworth DFV V8 Formula One racing engine; and the creation of the Premier Automotive Group with the purchases of classic English brands Jaguar and Aston Martin.
context_section_description: Hayes next project came about as an approach from Colin Chapman. Chapman's cars had until that point relied on power from fast revving Coventry Climax engines, but with the change in Formula One regulations to three litre capacity from 1966, Coventry Climax decided for business reasons not to develop a large capacity engine. Chapman had approach the fledgling Cosworth group, with Keith Duckworth commenting that he could produce a competitive three litre engine, given a development budget of £100,000.
  Chapman approach Ford and also David Brown of Aston Martin, each without initial success. Hayes arranged diner for Chapman with Harley Copp, an American engineer who had backed and engineered Ford's successful entry into NASCAR in the 1950s. Hayes and Copp developed a business plan, which was backed by Ford UK's new chairman Stanley Gillen, and approved by Ford's Detroit head office as a two part plan – stage one would produce a four-cylinder twin-cam engine for Formula Two; by May 1967, stage two would produce a V-8 Formula One unit. In return, Chapman agreed to engineer "specials" for Ford, the first of which was 1963's Lotus Cortina.
  Revealed by Hayes in a PR launch in Detroit at the end of 1965, the Ford Cosworth DFV won its first race – the Dutch Grand Prix on 4 June 1967, in a Lotus 49 driven by Jim Clark. Graham Hill was in the team was at the specific request of Ford and Hayes, who wanted to be sure that a strong driving cadre would be seated ahead of their engines.
  Initially, the agreement between Ford, Cosworth and Lotus was binding on all parties, and Ford as the funder had no plans to sell or hire the DFV to any other teams. However, it occurred to Hayes that there was no competition – the Ferrari was underpowered; the BRM complex and too heavy; the unreliable Maserati; Brabham was powered by the Oldsmobile-derived V8 Repco ; the overweight Honda; while Dan Gurney's Eagle Weslake was beautiful, powerful and sleek, but often unreliable. Hayes concluded that Ford's name could become tarnished, and that they should agree to use the unit in other teams, and hence potentially dominate Formula One. Chapman, on the back of the pairs long friendship agreed, and Hayes could release the DFV initially to rival French team Matra, headed by Ken Tyrrell with Jackie Stewart as a driver.
  Still the most successful Grand Prix engine ever, sixteen years later it was still taking the chequered flag – a DFV-powered Tyrrell Racing car won the 1983 Detroit Grand Prix, the engine's 155th race victory: with the Ford logo branded on the side of every one.
  At the start of the DFV project, Hayes told Henry Ford II that he thought the DFV engine was "fairly likely" to win a World Championship. In 1997 a group of people gathered at Donington Park to commemorate the DFV's 30th anniversary. Jackie Stewart said a few words, making comments on an engine which had made him as well as Graham Hill, Jochen Rindt, Emerson Fittipaldi, James Hunt, Mario Andretti, Alan Jones, Nelson Piquet and Keke Rosberg. It had also brought championships to teams: Lotus, Matra, Tyrrell, McLaren and Williams; and won races for Hesketh, March, Penske, Shadow and Wolf.
caption: A later model Ford Cosworth DFV on a Ligier JS11
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