After a great start to the season for Ford, with a podium lock out in Sweden and a 2nd an 3rd place in Mexico, we get the complete technical low-down on the all-new Ford Fiesta RS WRC.
By D.Darrall
Engine: Ford EcoBoost 1600cc direct injection engine developed by Ford, M-Sport and Pipo Moteurs. Four cylinders, 16 valves. Bore 83.0mm. Stroke 73.9mm. Cosworth electronic engine management system. Garrett turbocharger (with FIA required 33 mm inlet restrictor). Air intercooler. Catalytic converter.
Power: 300 bhp at 6000 rpm
Torque: 450 Nm at 4000 rpm
Transmission: Permanent four-wheel drive. Mechanical front and rear differentials and a clutch disconnect fitted to handbrake. M-Sport / X-Trac six-speed sequential gearbox with mechanical shift. M-Sport / AP Racing twin disc clutch.
Suspension: Front and rear: MacPherson struts with Reiger external reservoir dampers, adjustable in bump and rebound. Fully adjustable fabricated steel links. Front and rear anti-roll bars. Machined aluminium uprights.
Brakes:
Gravel (front and rear): 300mm Brembo ventilated discs with Brembo four- piston monoblock calipers.
Asphalt (front and rear): 355mm (maximum) Brembo ventilated discs with Brembo four-piston monoblock calipers.
Hydraulic handbrake; Adjustable front / rear bias.
Steering: Power-assisted high-ratio (12:1) rack and pinion. One and a half
turns lock to lock.
Wheels:
Gravel / Snow: 7in x 15in (aluminium) wheels with Michelin 650mm tyres.
Asphalt: 8in x 18in (aluminium) wheels with Michelin 650mm tyres.
Bodyshell: Unitary construction. Unique composite side panels. Welded T45 steel safety roll cage. Aerodynamic rear wing. Unique front ‘bumper’ treatment.
Electronics: Full Cosworth chassis and engine data acquisition for on-event diagnostics and performance development.
Fuel tank: FIA FT3.5 tank, 80 litre capacity, located centrally.
Dimensions:
Length: 3963mm.
Width: 1820mm.
Wheelbase: 2480mm.
Weight: 1200kg minimum.
Credit: M-Sport
Inside Rally 