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March 75A

Category	Formula 5000
Constructor	March
Successor	March 76A
Technical specifications
Chassis	Aluminium monocoque with load-bearing engine-transmission assembly, fiberglass and aluminum body
Suspension (front)	Independent, wishbones and inclined coil spring/shock absorber units
Suspension (rear)	Independent, single top link, twin tower links and coil spring/shock absorber units
Engine	Mid-engine, longitudinally mounted, 3.4 L (207.5 cu in), Ford-Cosworth GAA, 90° V6, NA
Transmission	Hewland 5-speed manual
Weight	1,500 lb (680 kg)
Competition history
Notable drivers	Alan Jones
Debut	1975

The March 75A was an open-wheel formula racing car, designed, developed and built by British manufacturer and constructor, March Engineering, for Formula 5000 racing, in 1975. It was based on the March 761 Formula One car. Unlike most other F5000 cars of the time, which used 5.0 L (310 cu in) V8 engines, the 75A used a smaller 3.4 L (210 cu in) Ford-Cosworth GAA V6 engine (which was still allowed; and permitted with F5000 regulations), which produced between 420–470 hp (310–350 kW) @ 9,000 rpm, depending on tuning and spec. Engines up to 5,000 cc (310 cu in) could be used, so this was still perfectly in line with the regulations.

References

1. "1975 March 75A". TitanHistoricRacing.co.uk. Retrieved 5 July 2024.
2. Brown, Allen (2 August 2023). "March 75A history". OldRacingCars.com. Retrieved 5 July 2024.
3. "March 75A-Ford Cosworth GAA". dlg.speedfreaks.org. Retrieved 23 June 2022.
4. "March 75A F5000 1975". GTPlanet. 2 September 2014. Retrieved 5 July 2024.

v t e March Engineering
Founders Max Mosley Alan Rees Graham Coaker Robin Herd
Notable drivers Chris Amon Jo Siffert Niki Lauda Ronnie Peterson Vittorio Brambilla Henri Pescarolo Lella Lombardi
Formula One cars 701 711 721 731 741 751 761 2-4-0 771 781 811 821 87P 871 881 CG891 CG911B
Formula Two cars 702 712 722 732 742 752 762 772 782 792 802 812 822 832 842 85J 86J
Formula 3000 cars 85B 86B 87B 88B 89B
Indy Lights cars March 86A
Formula 5000 cars 72A 73A 74A 75A 76A
Formula 3 cars 693 703 713M 713S 723 733 743 753 763 773 783 793 803 813
CART cars 81C 82C 83C 84C 85C 86C 87C 88C 89C 89P 89CE 90P 90CA
Sports prototype cars 707 717 817 827 RC82 82G 83G 832 847 84G 85G 86G 87G 88G R87E R88C
Group 5/Group 6 cars 73S 74S 75S 76S 77S
Sports 2000 cars 81S 82S 83S 84S

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