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Cars and Car Conversions - Technical: Rally Fiesta Development
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March 1979
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Technical: Rally Fiesta Development




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CAR:
Ford Fiesta

CLASS:
1600cc G2

BODY:
All steel unitary construction. Full FIA roll cage in steel or alloy. Petrol tank and dry sump oil tank in boot.

SUSPENSION:
Front: McPherson struts/coil springs, triangulated lower wishbones.
Rear: Dead axle with radius arms.
Panhard rod, coil springs and vertical shock absorbers.

BRAKES:
Lockheed all disc, solid or vented.
Front: diameter 266.7mm; width 20.6mm 4 pot calipers
Rear: Diameter 266.7mm; width 20.6mm.
Additional hydraulic handbrake caliper and master cylinder. Dual circuit brake bias pedal box.

STEERING:
Rack and pinion

ENGINE:
No and configuration cyls: 4 in-line
Bore: 80.98
Stroke: 77.62
Actual capacity: 1598CC
Valves per cyl: 2
Camshaft type and position: A6 Cosworth, in block Power: 160bhp

TRANSMISSION:
Gearbox ratios. 1 - 2.83; 2 - 2.00; 3 - 1.55; 4 - 1.30
Final drive ratio: 3.7 or 3.3 to 1
LSD - Ferguson centrifugal type.

Captions -

Bottom-Right - Since the cutaway diagram (top) was drawn, the fuel tank has been relocated In a neatly double glazed and fire-proofed "boot" (above right) Note the wide based triangulated wishbones below the front uprights Left: Monte Carlo rear suspension Incorporating 10½" ventilated disc brakes. Centre: Boreham's Paul Chopping completes the final pre-installation Induction adjustments on the Kent pushrod engine.