The Surtees TS20 was a Formula 1 car that was used by the English team Surtees for the 1978 season of Formula One.
The car was designed by John Surtees and Ken Sears, the car was fitted with a Ford Cosworth DFV engine which was mounted to the aluminum monocoque chassis. This was mated to a Hewland FGA400 gearbox, the car rode on tyres from Goodyear. The car was the last designed and created by the team from the former world champion.
The car started its career at the Monaco Grand Prix where it did not qualify. The car was driven by Vittorio Brambilla.
The best result obtained by Brambilla was sixth place at the Austrian Grand Prix. This 6th place win gave the car one championship point.
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