Chaparral 2K

The Chaparral 2K is an open-wheel racing car chassis, designed by British designer and engineer John Barnard and built by Lola Cars that competed in the CART open-wheel racing series, for competition in the 1979 IndyCar season, and competed until 1982.

Chaparral 2K^[1][2][3]

Category	CART IndyCar
Constructor	Chaparral
Designer(s)	John Barnard
Technical specifications
Chassis	Aluminum monocoque, fiberglass body
Suspension (front)	Lower wishbones, top rockers, in-board coil springs over shock absorbers, anti-roll bar
Suspension (rear)	Double wishbones, coil springs over dampers, anti-roll bar
Length	4,572 mm (180 in)
Width	2,032 mm (80 in)
Height	965 mm (38 in)
Axle track	1,702 mm (67 in) (Front) 1,600 mm (63 in) (Rear)
Wheelbase	2,692 mm (106 in)
Engine	Ford-Cosworth DFX 2.65 L (2,650 cc; 162 cu in) 90° V8 turbocharged mid-engined
Transmission	Weismann 4-speed manual
Power	780 hp (582 kW) 450 N⋅m (332 lb⋅ft)
Weight	1,550 lb (700 kg)
Fuel	Methanol
Tyres	Goodyear
Competition history
Debut	1979 Arizona Republic/Jimmy Bryan 150

The 2K famously won the 1980 Indianapolis 500, driven by Johnny Rutherford and in the process dispelling the myth that ground effect would not work on the high speed ovals such as the Indianapolis Motor Speedway.^[4][5][6]

Year	Chassis	Engine	Drivers	No.	1	2	3	4	5	6	7	8	9	10	11	12	13	14	Pts	Pos
1979					PHX	ATL	ATL	INDY	TRE	TRE	MCH	MCH	WGL	TRE	ONT	MCH	ATL	PHX
	Chaparral 2K	Cosworth DFX	Al Unser Sr.	2				22	2	12	13	3	5		5	10	5	1	2,085	5th
1980					ONT	INDY	MIL	POC	MDO	MCH	WGL	MIL	ONT	MCH	MXC	PHX
	Chaparral 2K	Cosworth DFX	Johnny Rutherford	4	1	1	2	2	1	1	5	1	2	4	10	13			4,723	1st
1981					PHX	MIL	ATL	ATL	MCH	RIV	MIL	MCH	WGL	MXC	PHX
	Chaparral 2K	Cosworth DFX	Johnny Rutherford	1	1*	6	2*	3	22	21	4	20	2	26	21				120	5th
1982					PHX	ATL	MIL	CLE	MCH	MIL	POC	RIV	ROA	MCH	PHX
	Chaparral 2K	Cosworth DFX	Johnny Rutherford	5	4		15	23	28	17	12	3	12	DNS	21				62	12th