Chronology
Previous model: ZF Fairlane
Next model: ZH Fairlane
Introduction
The ZG Fairlane was introduced 31st of October 1973.
Model line up
ZG Fairlane Custom Sedan
ZG Fairlane 500 sedan
Price at introduction
ZG Custom 6 cylinder: $4 491
ZG 500 V8: $5 201
Number built
19 556
Engines
250 1V
Type: Conventional, water cooled four stroke, reciprocating piston type
Number of Cylinders: Six
Configuration: Front mounted, longitudinal, inline
Head: Pushrod and rocker actuated ohv with two valves per cylinder
Capacity: 250 cubic inches (4.10 litres)
Bore and Stroke: 3.68 x 3.91 inches (93 x 99mm)
Power: 155bhp (116kw) at 4400rpm
Torque: 240lbs/ft (325Nm) at 1600rpm
Compression Ratio: 9.3:1
Fuel System: Single throat downdraft type carburettor
302
Type: Conventional, water cooled four stroke, reciprocating piston type
Number of Cylinders: Eight
Configuration: Front mounted, longitudinal, Vee
Head: Pushrod and rocker actuated ohv with two valves per cylinder
Capacity: 302 cubic inches (4.95 litres)
Bore and Stroke: 4.00 x 3.00 inches (102 x 76mm)
Power: 240bhp (179kw) at 5000rpm
Torque: 305lbs/ft (414Nm) at 2600rpm
Compression Ratio: 9.5:1
Fuel System: Two barrel carburettor
351
Type: Conventional, water cooled four stroke, reciprocating piston type
Number of Cylinders: Eight
Configuration: Front mounted, longitudinal, Vee
Head: Pushrod and rocker actuated ohv with two valves per cylinder
Capacity: 351 cubic inches (5.75 litres)
Bore and Stroke: 4.00 x 3.50 inches (102 x 89mm)
Power: 260bhp (194kw) at 4600rpm
Torque: 355lbs/ft (481Nm) at 2600rpm
Compression Ratio: 9.7:1
Fuel System: Two barrel carburettor
Transmissions
Manual
Manual (Six, 3 speed)
1st: 2.95:1
2nd: 1.69:1
3rd: 1.00:1
Reverse: 3.67:1
Manual (302 V8, 3 speed)
1st: 2.71:1
2nd: 1.69:1
3rd: 1.00:1
Reverse: 3.37:1
Automatic
‘Cruisomatic’ Auto (Six)
1st: 2.39:1
2nd: 1.45:1
3rd: 1.00:1
Reverse: 2.09:1
‘Cruisomatic’ Auto (V8)
1st: 2.46:1
2nd: 1.46:1
3rd: 1.00:1
Reverse: 2.20:1
Rear Axle
250 manual: 3.23:1
250 automatic and all 302ci: 2.92:1
351 automatic: 2.75:1
Clutch
250: Diaphragm spring type, single cushion disc, hydraulically 9.50″
302: Coil spring single cushion disc type, dry plate, hydraulically operated 10.00″
Chassis
Unitary construction (Monocoque)
Suspension
Front: Independent angle poised ball joint type, heavy duty coil springs with hydraulic shock absorbers, torsion bar ride stabiliser with anti dive geometry
Rear: Live axle, semi-elliptic springs, assymetrical variable rate leaf springs, diagonally mounted hydraulic shock absorbers, rubber bushed shackles and iso clamp axle mounting.
Steering
Recirculating ball, 20:1 ratio
Variable ratio power steering. 17.5:1 on centre, 11.0:1 on lock. Standard on 500, optional on Custom
Brakes
Front: Floating caliper type power assisted discs, turbo cooled and ventilated.
11.25 inch discs (286mm)
Rear: Hydraulic 10 inch (254mm) drums
Electrical
12 volt, coil and alternator ignition
Exhaust
Six Cylinder: Single tail-pipe, zinc annealed type muffler
V8: Twin pipes, free flow exhaust, minimum back-pressure muffler
Wheels
Pressed 5 inch steel disc wheels with JJ safety rims
Radial tyres fitted to optional 6 JJ rims
Tyres
7.35L x 14 x 4 ply extra low profile
Exterior Dimensions
Total Length: 198.8 inches (5050mm)
Total width: 74.6 inches (1895mm)
Height at Kerb Weight: 53.9 inches (1369mm)
Wheelbase: 116 inches (2946mm)
Front Track: 60.5 inches (1537mm)
Rear Track: 60.0 inches (1524mm)
Kerb Weight: 3415lbs (1594kg)
Turning Circle: 41.2 ft (12.6 metres)
Fuel Tank Capacity: 17.5 Gallons (79.6 litres)
Luggage Capacity: 32.4 cubic ft (920mm)
Interior Dimensions
Front Headroom: 38 inches (965mm)
Rear Headroom: 36.5 inches (927mm)
Front shoulder room: 60 inches (1524mm)
Rear shoulder room: 60 inches (1524mm)
Front hip room: 60.2 inches (1529mm)
Rear hip room: 60.2 inches (1529mm)
Front leg room: 41.5 inches (1054mm)
Rear Legroom: 38.4 inches (975mm)