SierraCosworth RS road car;
Chassisnumber
WFOEXXGBBEGU966xx is produced in June 1986.
WFO = World
Manufacturer identification -West Germany-.
E = Body type -3 door-
XX = Constant for all Models
G = Production source -Ford-Werke AG Cologne-.
B = Assembly Plant -Genk-.
B = Model -Sierra-
E = Body type
G = Year of Scheduled Build - G=1986-
U = Month of scheduled Build -June-.
966xx Vehicle sequence number.
History of this Car.
First owner was the
Ford Genk assembly plant. The car was driven for one year by one of the top
managers.
From 1987 till now there is only one and present owner.
The car is in very good original condition. The spare wheel was
never used and in new condition.
Ford
Sierra RS Cosworth
PRODUCTION.-
1986; approximate number built: 5.500 ; assembled at Genk, Belgium with UK-built
Cosworth engine, Borg Warner five-speed gearbox and Ferguson Viscous Coupling
rear
drive.
Type:
Ford Cosworth YBB.
Capacity: 1,993 cc.
Bore/stroke: 90.82 mm x 76.95 mm.
Compression ratio: 8:1
Max power: 204 bhp at 6,000 rpm.
Max torque: 203 Ib/ft 4,500 rpm.
Specific output: 102.36 bhp per litre.
Power/weight ratio: 169.3 bhp/tonne.
Cylinders: four, in line
Cylinder head: Aluminium alloy.
Block: cast iron.
Valve
gear: four valves per cylinder, twin overhead camshafts, belt-drive. Fuel
and ignition: Garrett Airesearch T03, compact air intercooler, Weber-Marelli
microprocessor managed four injector injection and ignition.
Installation: Front, longitudinal.
TRANSMISSION
Type:
Rear drive, Viscous Coupling limited slip differential.
Internal
ratios: lst, 2.95; 2nd, 1.94; 3rd, 1.34; 4th,
1:1 direct; 5th, 0.80.
Final
drive: 3.65:1, 22,79 mph per 1,000 rpm in 5th.
SUSPENSION
Front:
Independent by McPherson struts, lower track control arms (TCAs), coaxial coil
springs, Fichtel & Sachs twin tube gas damper inserts, 28 mm diameter front
anti-roll bar.
Rear:
Semi-trailing arms, uniball joints, coil springs in front of axle, separate
telescopic F&S gas rear dampers, 14 mm rear anti-roll bar.
STEERING
Type:
Power assisted, Cam Gears/TRW rack and pinion, lock to lock: 2.6 turns.
BRAKES
Front:
283 mm, vented discs.
Rear:
273 mm solid back discs.
System:
Hydraulically assisted, Alfred Teves GmbH electronic anti-lock action.
WHEELS
AND TYRES
Wheels:
unique Rial (BBS style) alloys, 7 x 15 in.
Tyres:
205150 VR (Dunlop D40 was Original Equipment).
Type:
3-dr hatchback Sierra L with Phoenix-manufactured body kit and rear wing to
Ford design, wheelarch extensions, side sills, front bumper/spoiler with
flexible rubber extension, twin bonnet louvres, air intake between
headlights. Colour: Originally sold only in white, Moonstone blue
metallic and black.
Construction:
Steel monocoque with polyurethane and rubber body additions. Dimensions:
Length, 4,458 mm; width, 1,727 mm; height, 1,377 mm; wheelbase, 2,609 mm: front
track, 1,450 mm; rear track, 1,470 mm; weight, 1,205 kg.
PERFORMANCE
AND ECONOMY (Manufacturer’s figures)
Max
speed: 149.8 mph (240 km/h German homologation).
Acceleration: 0-60 mph, 6.47 sec; 50-70 mph (5th gear), 7 sec.
Fuel
consumption: 22.8 mpg urban; 38.2 mpg at constant 56 mph; 30.1 mpg at 75 mph.
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Copyright Jan van Elderen