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Renault EF-Type engine

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Reciprocating internal combustion engine

EF-Type engine
Renault EF4
Overview
Manufacturer	Renault Sport
Designer	Bernard Dudot François Castaing (base design)
Production	1977–1986
Layout
Configuration	90°V-6
Displacement	1.5 L (1,492 cc) 1.5 L (1,494 cc)
Cylinder bore	86 mm (3.39 in) 80.1 mm (3.15 in)
Piston stroke	42.8 mm (1.69 in) 49.4 mm (1.94 in)
Compression ratio	7.0:1-7.5:1
Combustion
Turbocharger	Garrett orKKK
Fuel system	Electronic fuel injection
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	510–1,320 bhp (380–984 kW; 517–1,338 PS)
Torque output	290–660 lb⋅ft (393–895 N⋅m)^[1]
Dimensions
Dry weight	179 kg (394.6 lb)^[2]
Chronology
Predecessor	CH
Successor	RS

TheEF-Type was aTurbocharged 90°V6 racing engine developed byRenault Sport. The engine was used byEquipe Renault Elf in Formula One from 1977 to 1985. It was developed byBernard Dudot from the earlier, 2-litre CH-series V6 engine, designed byFrançois Castaing.^[3]

Formula One World Championship results

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Year	Entrants	Chassis	Tyres	Drivers	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	Points	WCC
1977	Equipe Renault Elf	Renault RS01	M		ARG	BRA	RSA	USW	ESP	MON	BEL	SWE	FRA	GBR	GER	AUT	NED	ITA	USA	CAN	JPN	0	-
1977	Equipe Renault Elf	Renault RS01	M	Jean-Pierre Jabouille										Ret			Ret	Ret	Ret	DNQ		0	-
1978	Equipe Renault Elf	Renault RS01	M		ARG	BRA	RSA	USW	MON	BEL	ESP	SWE	FRA	GBR	GER	AUT	NED	ITA	USA	CAN		3	12th
1978	Equipe Renault Elf	Renault RS01	M	Jean-Pierre Jabouille			Ret	Ret	10	NC	13	Ret	Ret	Ret	Ret	Ret	Ret	Ret	4	12		3	12th
1979	Equipe Renault Elf	Renault RS01 Renault RS10	M		ARG	BRA	RSA	USW	ESP	BEL	MON	FRA	GBR	GER	AUT	NED	ITA	CAN	USA			26	6th
				Jean-Pierre Jabouille	Ret	10	Ret	DNS	Ret	Ret	8	1	Ret	Ret	Ret	Ret	14	Ret	Ret
				René Arnoux	Ret	Ret	Ret	DNS	9	Ret	Ret	3	2	Ret	6	Ret	Ret	Ret	2
1980	Equipe Renault Elf	Renault RE20	M		ARG	BRA	RSA	USW	BEL	MON	FRA	GBR	GER	AUT	NED	ITA	CAN	USA				38	4th
				Jean-Pierre Jabouille	Ret	Ret	Ret	10	Ret	Ret	Ret	Ret	Ret	1	Ret	Ret	Ret
				René Arnoux	Ret	1^F	1^F	9	4	Ret	5	NC	Ret	9^P^F	2^P^F	10^P	Ret	7
1981	Equipe Renault Elf	RE20B RE30	M		USW	BRA	ARG	SMR	BEL	MON	ESP	FRA	GBR	GER	AUT	NED	ITA	CAN	CPL			54	3rd
				Alain Prost	Ret	Ret	3	Ret	Ret	Ret	Ret	1^F	Ret	2^P	Ret	1^P	1	Ret	2
				René Arnoux	8	Ret	5	8	DNQ	Ret	9	4^P	9^P^F	13	2^P	Ret	Ret^P	Ret	Ret
1982	Equipe Renault Elf	RE30B	M		RSA	BRA	USW	SMR	BEL	MON	DET	CAN	NED	GBR	FRA	GER	AUT	SUI	ITA	CPL		62	3rd
				Alain Prost	1^F	1^P^F	Ret	Ret	Ret^P	7	NC^P^F	Ret	Ret	6	2	Ret	8	2^P^F	Ret	4^P
				René Arnoux	3^P	Ret	Ret	Ret^P	Ret	Ret^P	10	Ret	Ret^P	Ret	1^P	2	Ret	16	1^F	Ret
1983	Equipe Renault Elf	RE30C RE40	M		BRA	USW	FRA	SMR	MON	BEL	DET	CAN	GBR	GER	AUT	NED	ITA	EUR	RSA			79	2nd
				Alain Prost	7	11	1^P^F	2	3^P	1^P	8	5	1^F	4	1^F	Ret	Ret	2	Ret
				Eddie Cheever	Ret	13	3	Ret	Ret	3	Ret	2	Ret	Ret	4	Ret	3	10	6
1984	Equipe Renault Elf	RE50	M		BRA	RSA	BEL	SMR	FRA	MON	CAN	DET	DAL	GBR	GER	AUT	NED	ITA	EUR	POR		34	5th
				Patrick Tambay	5	Ret^F	7	Ret	2^P	Ret	WD	Ret	Ret	8	5	Ret	6	Ret	Ret	7
				Derek Warwick	Ret	3	2	4	Ret	Ret	Ret	Ret^F	Ret	2	3	Ret	Ret	Ret	11	Ret
				Philippe Streiff																Ret
1985	Equipe Renault Elf	RE60 RE60B	G		BRA	POR	SMR	MON	CAN	DET	FRA	GBR	GER	AUT	NED	ITA	BEL	EUR	RSA	AUS		16	7th
				Patrick Tambay	5	3	3	Ret	7	Ret	6	Ret	Ret	10	Ret	7	Ret	12		Ret
				Derek Warwick	10	7	10	5	Ret	Ret	7	5	Ret	Ret	Ret	Ret	6	Ret		Ret
				François Hesnault									Ret

References

[edit]

^"Spicer Horsepower and Torque Calculator".
^"Engine Renault".Stats F1.
^"la Passion de la Compétition/Passion for Motorsport"(PDF).Renault Gordini: Les Cahiers Histoire et Passions (in English and French). Renault Histoire et Collection. September 2009. p. 12.

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