Ford RS200 group B (1986)

Home » Rally Cars » Ford RS200

Source

Chassis numbers

Specifications

200 units built

Group/Class	B/12	Homologation number: B280
Years active	1986	Homologation start: 1/2/1986 Homologation end: 31/12/1991
Engine
Type	Ford Cosworth BDT, straight 4 cyl, 4 stroke, petrol engine	located centrally longitudinal with 23o inclination to co-drivers side (LHD)
Capacity	1803.5 cc	WRC: x 1.4 = 2525 cc 1988: x 1.7 = 3066 cc
Bore x Stroke (mm)	86.0 x 77.62
Compression ratio	7.2:1
Output power - torgue	410 - 450 HP / 8000 rpm	49.8 kgm (489 Nm) / 5500 rpm
Main bearings	forged steel crankshaft with 5 main bearings 54mm diameter	connecting rod length between axis 132.84mm, big end bearing tunnel diameter 52.9mm
Materials	block: Ford Kent aluminium alloy block with thin-wall steel cylinder liners, 209mm deck height and 96mm bore spacing	cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves	2 overhead camshafts (DOHC), belt driven	4 valves/cyl. - 16 valves total. 34.67mm inlet valve max diameter, 30.61mm exhaust valve max diameter. 20o angle between inlet valve axis and vertical, 20o angle between exhaust valve axis and vertical. 2 coil springs per valve
Aspiration	Garrett T03 turbocharger (11 blades steel turbine 56.62/65mm in/out diameter, 14 blades aluminium compressor 52.78/76mm in/out diameter) with air/air intercooler located transversly in the roof behind driver, Ford/Bosch EEC IV multipoint electronic fuel injection	pressure: 1.6 bar
Ignition	electronic, firing order 1-3-4-2
Cooling system	jacketed watercooled with pump, radiator, fan and thermostat
Lubrication system	dry sump with 3 stage oil pump
Transmission
Type	four wheel drive	5 speed manual gearbox
Gearbox ratios	1st: 2.692/1 (35/13) 2nd: 1.824/1 (31/17) 3rd: 1.318/1 (29/22) 4th: 1.043/1 (24/23) 5th: 0.786/1 (22/28) R: 3.083/1 (37/12)	1st: 3.091/1 (34/11) 2nd: 2.143/1 (30/14) 3rd: 1.687/1 (27/16) 4th: 1.368/1 26/19) 5th: 1.140/1 (24/21) R: 3.083 (37/12)
Diffrential ratio	Front/rear: 4.375/1 (35/8). Center differential: 1.043/1 (24/23), 0.864/1 (19/22), 1.158/1 (22/19), 1.278/1 (23/18)	ferguson viscous coupling center differential with 37/63 or 50/50 or 0/100 torque distribution. Adjustable viscous coupling front and rear differentials
Clutch	AP twin plate paddle clutch with cerrametallic linings, 185mm diameter
Chassis-body
Type	Aluminum honeycombe lower chassis with carbon glass aramid composite upper structure and 8.5 kg steel 4T45 (D38.1x2.65mm, and D35x2mm) tig welded roll cage. Front & rear high strength alloy subframes. 2 door coupe plastic composite, carbon glass aramid epoxy composite bodyshell and bonnets, with plastic composite bumpers
Front suspension	double unequal 'A' wishbones with twin coil springs and twin telescopic dampers, adjustable anti-roll bar
Rear suspension	double unequal 'A' wishbones with twin coil springs and twin telescopic dampers. Adjustable anti-roll bar and toe control link
Steering system	rack and pinion with optional hydraylic power assistance	1.8 turns lock to lock, 17.1/1, 12/1, 16.5/1 ratio
Brakes	Front/rear ventilated discs 285mm diameter with 4 aluminium piston calipers 41.3mm diameter. Front/rear ventilated discs 304mm diameter with 4 aluminium piston calipers 38+41.3mm diameter (1 piston pair 38mm+1 piston pair 41.3mm). Front/rear twin rotor system with 2 solid discs 271.5mm diameter and 1 aluminium piston caliper 44.45mm diameter with 2x2 pads	dual circuit (no servo), with mechanical fly-off and hydraulic centre lever acting on separate, mechanically operated rear calipers
Dimensions
length: 4.000 m (157.5")	width: 1.785 m (70.3")	height: 1.321 m (52.0")
wheelbase: 2.530 m (99.6")	front track: 1.502 m (59.1")	rear track: 1.497 m (58.9")
Rims - tires	6" - 8" (8 3/4" or 11" optional) x 16"	Pirelli 245/40/16 (dry Monte Carlo), 225/50VR-16
Weight	1050 kg
Fuel tank	105, 74 + 42 = 116 lt

Evolution 06/01 ES, 1/12/1986

Engine
Type	Ford Cosworth BDT-E, straight 4 cyl, 4 stroke, petrol engine	located centrally longitudinal with 23o inclination to drivers side (LHD)
Capacity	2137.5 cc	WRC: x 1.4 = 2992.5 cc 1988: x 1.7 = 3634 cc
Bore x Stroke (mm)	90.0 x 84.0
Compression ratio	7.2:1
Output power - torgue	580 HP (- 750 HP) / 8000 rpm	49.8 kgm (542 Nm) / 5500 rpm
Main bearings	forged steel crankshaft with 5 main bearings 54mm diameter	connecting rod length between axis 132.84mm, big end bearing tunnel diameter 52.9mm
Materials	block: aluminium alloy	cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves	2 overhead camshafts (DOHC), belt driven	4 valves/cyl. - 16 valves total, 36mm inlet valve max diameter, 32mm exhaust valve max diameter. 20o angle between inlet valve axis and vertical, 20o angle between exhaust valve axis and vertical
Aspiration	Garrett TR3 turbocharger (11 blades steel turbine 61/70mm in/out diameter, 14 blades aluminium compressor 59/76.1mm in/out diameter) with intercooler, Ford/Bosch EEC IV multipoint electronic fuel injection	pressure: 1.6 bar
Ignition	electronic, firing order 1-3-4-2
Cooling system	jacketed watercooled with pump, radiator, fan and thermostat
Lubrication system	dry sump with 3 stage oil pump

---

Results in WRC

Statistics

	1986	Total
Total works WRC results
Races /wins	4	4
Entries/finishes	11/2	11/2 (18.2%)
Total points	14	14 (3.500 per race) ) (1.273 per entry)

Races

Works team: Ford Motor Co

1986Season

Entry		Rally event
Driver Codriver	Team	MC	SVE Entry list	POR	KEN	TdC	GRE	NZ	ARG	FIN	(CdI)	SR	RAC	(Oly)
Stig Blomqvist Bruno Berglund SFACXXBJ2CED00014	works		eng ine	with drawn
Stig Blomqvist Bruno Berglund SFACXXBJ2CED00065	works						acci dent						tur bo
Kalle Grundel Benny Melander SFACXXBJ2CED00015	works		3rd	with drawn
Kalle Grundel Benny Melander SFACXXBJ2CED00064	works						wheel studs						5th
Joaquim Santos Miguel Oliveira SFACXXBJ2CED00006	works			acci dent
Mark Lovell Roger Freeman SFACXXBJ2CED00062	works												fire
Stig Andervang Dave West SFACXXBJ2CED00061	works												acci dent
Total points ()	14		8										6
Statistics
Works starts/finishes	11/2		2/1	3/0			2/0						4/1

---

Source

Article from 4T 182, 11/1985

Click here

Article from 4T 174, 3/1985

Click here

Drawings

Source
Source

CAD