4.1 “Alloy Head” EFI Unleaded (from February 1986)
Type: Aluminium Alloy cross-flow pushrod valve actuation, chain driven camshaft, water cooled four stroke, reciprocating piston type, seven bearing crankshaft
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: 93 x 99mm
Power:
121kw at 4000rpm
Torque:
325Nm at 3000rpm
Compression
Ratio: 8.7:1
Fuel System: EEC 4 fuel injection
Transmissions
Manual
Type: Three-speed
Borg-Warner manual (3.3 and 4.1L models)
1st: 2.95:1
2nd: 1.69:1
3rd: 1.00:1
Reverse: 3.67:1
Type: Four-speed
Borg-Warner manual (3.3)
1st: 3.47:1
2nd: 1.96:1
3rd: 1.26:1
4th: 1.00:1
Reverse: 3.47:1
Type: Four-speed
Borg-Warner manual (4.1)
1st: 3.50:1
2nd: 2.00:1
3rd: 1.43:1
4th: 1.00:1
Reverse: 3.47:1
Type: Five-speed
Borg-Warner manual (3.3)
1st: 3.47:1
2nd: 1.96:1
3rd: 1.26:1
4th: 1.00:1
5th: 0.79:1
Reverse: 3.37:1
Type: Five-Speed
Borg-Warner manual (4.1)
1st: 3.50:1
2nd: 2.14:1
3rd: 1.39:1
4th: 1.00:1
5th: 0.78:1
Reverse: 3.39:1
Automatic
Type: Three-speed
Borg-Warner 35-3 automatic (3.3 and 4.1)
1st: 2.39:1
2nd: 1.45:1
3rd: 1.00:1
Reverse: 2.20:1
Rear Axle Ratios
Salisbury type rigid rear
axle with tubular steel pressed cast iron centre differential section. Limited
slip diff available as an option.
3.3 and
4.1 litre: 2.77:1
3.3 and
4.1 litre (after October 1986): 2.92:1
3.3 litre
ute and van: 3.50:1
Longreach:
3.27:1
XR6 ute:
3.45:1
Clutch
Single
dry plate clutch, spring, cable operated
Chassis
Unitary construction (Monocoque)
Suspension
Front:
Independent short/long arm. Progressive rate coil springs mounted on upper arm.
Twin tube telescopic shock absorber. Bilstein single tube gas filled with ESP
option) mounted coaxially with three rear coil spring, stabiliser bar
Rear
(Sedan only): Four trailing arms with Watts linkage. Coil type springing (with
multiple rate) mounted on rear axle. Twin tube telescopic shock absorber
Bilstein single tube gas filled with ESP option) mounted coaxially with three
rear coil spring, stabiliser bar.
Country
Ride: Optional Heavy Duty suspension, 15% increase to spring rate, 18mm
increase in ride height on sedans and wagons, heavy duty shock absorbers
Sports Handling Suspension: 15% increase to spring rate, 10mm decrease in ride height, front stabiliser increased from 22mm to 24mm
Steering
Recirculating ball, 20:1 ratio, 5 turns lock to
lock
optional variable
ratio power steering, 17:1 – 11:1, 2.4 turns lock to lock
Brakes
Split
circuit hydraulic system
Power
assisted dual circuit booster
Alloy
master cylinder with integral pressure proportioning valve and pressure differential
switch
Front:
Ventilated disc 286 x 24mm single piston, self adjusting floating caliper
Rear:
GL and
Fairmont: 254 x 44mm self-adjusting dual servo drums
Fairmont Ghia (optional on other models): Ventilated disc 286 x 24mm single piston, self adjusting floating caliper
Swept
area: 720 square cm
Note: From October 1986 all models fitted with all-round disc brakes
Electrical
12 volt, coil and distributor ignition
Exhaust
Cast iron exhaust manifold with aluminised front expansion chamber, mid-mounted muffler and rear pipe
Wheels
5.50 x 14
steel
6.00 x 14
steel
6.00 x 14
alloy
7.00 x 15
alloy
Tyres
Falcon, GL, Fairmont Sedan: CR78 S14
Falcon
Ute, Van, GL Wagon, Fairmont Wagon: ER78 S14