Shadow DN4

The Shadow DN4 is a sports prototype race car, built to Group 7 racing specifications, for competition in the Can-Am series, and later the World Sportscar Championship, in 1974 and 1976. Jackie Oliver successfully clinched 1974 Can-Am Championship season in this car, winning 4 out of the 5 races that season. In 2025, it raced at the Goodwood Festival of Speed, and completed the Hillclimb track in 47.88 seconds.

American sports prototype racing cars

Racing car model

Shadow DN4

Category	Can-Am (Group 7)
Constructor	Shadow
Designer	Tony Southgate
Predecessor	Shadow DN2
Technical specifications
Chassis	Aluminum fiberglass monocoque
Suspension (front)	Double wishbone, Coil springs over Damper, Anti-roll bar
Suspension (rear)	Twin lower links, Single upper links, Twin trailing-arms, Coil springs over Shock absorbers, Anti-roll bar
Length	180 in (457.2 cm)
Width	80 in (203.2 cm)
Wheelbase	105 in (2,667.0 mm)
Engine	Chevrolet 7,439–8,112 cc (454–495 cu in) V8 engine naturally-aspirated mid-engined
Transmission	Hewland LG-500 4-speed manual
Power	745–850 hp (556–634 kW)
Weight	1,860 lb (843.7 kg)
Tyres	Firestone
Competition history
Notable entrants	Phoenix Racing Organizations
Notable drivers	Jackie Oliver George Follmer
Debut	1974 Can-Am Mosport
Races Wins 5 4
Teams' Championships	1: (Phoenix Racing Organizations)
Constructors' Championships	1: Shadow
Drivers' Championships	1: 1974 Can-Am (Jackie Oliver)

The Shadow DN4 is a sports prototype race car, built to Group 7 racing specifications, for competition in the Can-Am series, and later the World Sportscar Championship, in 1974 and 1976. Jackie Oliver successfully clinched 1974 Can-Am Championship season in this car, winning 4 out of the 5 races that season. In 2025, it raced at the Goodwood Festival of Speed, and completed the Hillclimb track in 47.88 seconds.^{[1][2][3][4][5][6][7]}

References

[edit]

1. ^ "1974 Shadow DN4 | Motorsport & Racing". 22 April 2016.
2. ^ "1974 Shadow DN4 Chevrolet Specifications".
3. ^ "Championship-winning DN4 Can Am Shadow flips at Road America reunion". 27 July 2020.
4. ^ "Shadow DN4". 13 November 2010.
5. ^ "1974 Shadow DN4".
6. ^ "1974 Shadow DN4". 6 July 2019.
7. ^ "Machiavelli's Shadow – 1974 Shadow DN4-1P". June 2016.