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BRM 4-cylinder engine

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From Wikipedia, the free encyclopedia
BRM 255
BRM 258
BRM 259
Overview
ManufacturerUnited Kingdom British Racing Motors
Production1956–1960
Layout
ConfigurationL4
Displacement2.5 L (153 cu in)
Cylinder bore4.05 in (103 mm)
Piston stroke2.95 in (75 mm)
Valvetrain8-valve, DOHC, two-valves per cylinder
Combustion
Fuel systemCarburetor
Fuel typeGasoline
Oil systemDry sump
Output
Power output260–285 hp (194–213 kW)
Torque output205 lb⋅ft (278 N⋅m)

The BRM 4-cylinder engines are a series of four-stroke, naturally-aspirated, 2.5 L (150 cu in), inline-four Formula One racing engines, designed, developed and built by British Racing Motors, between 1956 and 1960. They were exclusively used by BRM; and powered the BRM team cars. It was constructed to conform the FIA engine requirements; necessitating a 2.5 L naturally-aspirated engine displacement formula. The power output for these motors were between 260–285 hp (194–213 kW), and 205 lb⋅ft (278 N⋅m).[1][2]

Applications

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Formula One Championship results

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Year Entrant Chassis Engine Tyres Drivers 1 2 3 4 5 6 7 8 9 10 11 Points WCC
1956 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON 500 BEL FRA GBR GER ITA n/a n/a
Mike Hawthorn DNS Ret
Tony Brooks DNS Ret
Ron Flockhart Ret
1957 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON 500 FRA GBR GER PES ITA n/a* n/a*
Ron Flockhart Ret Ret
Roy Salvadori DNQ
Herbert MacKay-Fraser Ret
Jack Fairman Ret
Les Leston Ret
1958 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D ARG MON NED 500 BEL FRA GBR GER POR ITA MOR 18 4th
Harry Schell 5 2 5 Ret 5 Ret 6 Ret Ret
Jean Behra Ret 3 Ret Ret Ret Ret 4 Ret Ret
Maurice Trintignant Ret
Joakim Bonnier Ret 4
Ron Flockhart Ret
1959 Owen Racing Organisation BRM P25 BRM P25 2.5 L4 D MON 500 NED FRA GBR GER POR ITA USA 18 3rd
Harry Schell Ret Ret 7 4 7 5 7
Ron Flockhart Ret 6 Ret 7 13
Joakim Bonnier Ret 1 Ret Ret 5 Ret 8
British Racing Partnership BRM P25 Stirling Moss DSQ 2
Hans Herrmann Ret
1960 Owen Racing Organisation BRM P25
BRM P48 		BRM P25 2.5 L4 D ARG MON 500 NED BEL FRA GBR POR ITA USA 8 4th
Graham Hill Ret 7 3 Ret Ret Ret Ret Ret
Joakim Bonnier 7 5 Ret Ret Ret Ret Ret 5
Dan Gurney NC Ret Ret Ret 10 Ret Ret

References

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  1. ^ "Engine BRM • STATS F1". www.statsf1.com.
  2. ^ "1960 BRM P48 technical and mechanical specifications - .com". conceptcarz.com.
  3. ^ "1955 - 1959 BRM Type 25 Specifications". Ultimatecarpage.com.
  4. ^ "1959 - 1960 BRM P48 Specifications". Ultimatecarpage.com.
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