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The Lola T70 was developed by Lola Cars in 1965 in Great Britain for sports car racing. Lola built the chassis, which were typically powered by large American V8s. The T70 was quite popular in the mid to late 1960s, with more than 100 examples being built in three versions: an open-roofed Mk II spyder, followed by a Mk III coupé, and finally a slightly updated Mk IIIB. The T70 was replaced in the Can-Am series by the lighter Lola T160. Early success for the Lola T70 came when Walt Hansgen won the Monterey Grand Prix, at Laguna Seca Raceway, on 17 October 1965, driving John Mecom's Lola T70-Ford. In 1966, the hot setup for the Can-Am was a T70 Chevrolet, winning five of six races during the year. John Surtees was the champion[2] and Dan Gurney drove the only Ford powered car ever to win a Can-Am race. In 1967, no one could compete with the new M6 McLaren. When the FIA changed the rules for sports car racing for the 1968 season, limiting engine size of prototypes to three liters, sportscars with up to five liter engines were allowed if at least fifty were made. This homologation rule allowed the popular yet outdated Ford GT40 and Lola T70s to continue racing. The Fords won Le Mans again in 1968 and 1969, while the T70's only big endurance win was a one–two finish in the 1969 24 Hours of Daytona behind the Sunoco Lola T70-Chevrolet of Mark Donohue and Chuck Parsons. When the minimum number was lowered to twenty five for 1969, the more modern Porsche 917 and Ferrari 512 were homologated and outran the older Lolas and Fords. A Lola T70, in the pits at Silverstone in 2007. Chevrolet powered coupes tended to suffer reliability problems when racing in Europe, in part due to the grade of fuel allowed. When forced to run on commercially available "pump fuel", with a lower octane rating than the "Avgas" permitted under American rules, engine failures were common.
