Royale RP40 specs

Track	Time
Brands Hatch GP (1976–1987)	1:28.60
Charlotte Road Course (1971-2014)	1:12.50
Circuit de la sarthe (1987-1989)	4:06.88
Daytona Road Course (1984 - 2002)	1:49.78
Laguna Seca (pre 1988)	1:01.99
Lime Rock Park	0:52.87
Mid-Ohio Sports Car Course (1963-1989)	1:30.79
Riverside Raceway (5.3 Km) (1969-1989)	1:42.85
Road America	2:15.44
Sebring International Raceway (1984-1986)	2:59.50
Sebring International Raceway (1987-1990)	2:24.69
Silverstone GP (1975–1986)	1:41.23
Streets of Miami Grand Prix (1983-1985)	1:24.37
Streets of Miami Grand Prix (1987-1994)	1:22.89
Watkins Glen (1972-1992)	1:52.40

Engine type	V8 (Cosworth DFL)
Displacement	3.0 l (183 ci / 2993 cc)
Power	490 ps (483 bhp / 360 kw) @ 9500 rpm
Torque	460 Nm (339 lb-ft) @ 6500 rpm
Power / liter	164 ps (161 hp)
Power / weight	599 ps (591 bhp) / t
Torque / weight	562 Nm (415 lb-ft) / t
Transmission	5 speed manual
Layout	middle engine, rear wheel drive

Race	#	Driver	Time	Gap
1985 Laguna Seca 300 Kilometres	6th	Bill Alsup	1:01.99	+3.7
1985 Watkins Glen 3 Hours	7th	Charles Morgan	1:52.40	+14.4
1985 Laguna Seca 300 Kilometres	7th	Mike Brockman	1:02.45	+4.1
1985 Lime Rock 2 Hours	7th	Charles Morgan	0:52.87	+5.2
1985 Miami 3 Hours	12th	Brent O'Neill	1:24.37	+3.2
1985 Charlotte 500 Kilometres	13th	Charles Morgan	1:12.50	+7.6
1985 Mid-Ohio 500 Kilometres	14th	Bill Alsup	1:30.79	+9.5
1985 24 Hours of Daytona	17th	Steve Shelton	1:49.78	+8.3
1985 Riverside 600 Kilometres	18th	Derek Bell	1:42.85	+10.6
1985 Miami 3 Hours	20th	Charles Morgan	1:27.79	+6.6
1987 Brands Hatch 1000 Kilometres	24th	Richard Piper	1:28.60	+14.2
1986 Road America 500 Miles	25th	Don Bell	2:15.44	+17.4
1986 3 Hours of Miami	27th	Mandy Gonzalez	1:22.89	+6.2
1985 24 Hours of Daytona	28th	Bill Alsup	1:54.56	+13.1
1987 Miami 3 Hours	29th	Mandy Gonzalez	1:25.98	+16.3
1985 Miami 3 Hours	29th	Diego Febles	1:29.95	+8.8
1986 12 Hours of Sebring	30th	Mike Meyer	2:34.83	+23.4
1987 Miami 3 Hours	30th	Keith Rinzler	1:27.65	+18.0
1986 24 Hours of Daytona	31st	Terry Wolters	1:56.55	+17.2
1987 24 Hours of Daytona	32nd	Chris Gennone	1:57.81	+16.8