Type: Conventional, watercooled four
stroke, reciprocating piston type with
6 cylinders
Configuration: Front mounted, longitudinal,
inline
Head: Pushrod and rocker actuated ohv
with two valves per cylinder
Fuel System: Bendix-Stromberg single
barrel downdraft type carburetor
Bore and Stroke: 3.375 x 3.00 inches
(85.7 x 76.2mm)
Power: 108bhp (81kw) at 4400rpm
Torque: 146lb-ft (198Nm) at 2000rpm
Compression Ratio: 8.2:1
2.64 161 "High Compression"
Engine:
Capacity: 2638cc 161 cubic inches (2.640
liters)
Type: Conventional, watercooled four
stroke, reciprocating piston type with
6 cylinders
Configuration: Front mounted, longitudinal,
inline
Head: Pushrod and rocker actuated ohv
with two valves per cylinder
Fuel System: Bendix-Stromberg single
barrel downdraft type carburetor
Bore and Stroke: 3.375 x 3.00 inches
(85.7 x 76.2mm)
Power: 114bhp (85kw) at 4400rpm
Torque: 157lb-ft (213Nm) at 2000rpm
Compression Ratio: 9.2:1
3.05 "186" Engine:
Capacity: 3048cc 186 cubic inches (3.048
liters)
Type: Conventional, watercooled four
stroke, reciprocating piston type with
6 cylinders
Configuration: Front mounted, longitudinal,
inline
Head: Pushrod and rocker actuated ohv
with two valves per cylinder
Fuel System: Bendix-Stromberg single
barrel downdraft type carburetor
Bore and Stroke: 3.625 x 3.00 inches
(92.1 x 76.2mm)
Power: 126bhp (94kw) at 4200rpm
Torque: 181lb-ft (245Nm) at 1600rpm
Compression Ratio: 9.2:1
3.05 "186" X2 Engine:
Capacity: 3048cc 186 cubic inches (3.048
liters)
Type: Conventional, watercooled four
stroke, reciprocating piston type with
6 cylinders
Configuration: Front mounted, longitudinal,
inline
Head: Pushrod and rocker actuated ohv
with two valves per cylinder
Fuel System: Twin carburetor
Bore and Stroke: 3.625 x 3.00 inches
(92.1 x 76.2mm)
Power: 145bhp (108kw) at 4600rpm
Torque: 184lb-ft (249Nm) at 2200rpm
Compression Ratio: 9.2:1
3.05 "186S" Engine:
Capacity: 3048cc 186 cubic inches (3.048
liters)
Type: Conventional, watercooled four
stroke, reciprocating piston type with
6 cylinders
Configuration: Front mounted, longitudinal,
inline
Head: Pushrod and rocker actuated ohv
with two valves per cylinder
Fuel System: Bendix-Stromberg twin barrel
single downdraft type carburetor
Bore and Stroke: 3.625 x 3.00 inches
(92.1 x 76.2mm)
Power: 145bhp (108kw) at 4600rpm
Torque: 184lb-ft (249Nm) at 2200rpm
Compression Ratio: 9.2:1
Ignition and Electrical:
12 volt
Coil and distributor with automatic
centrifrugal and vacuum type advance control
Exhaust:
New exhaust manifold is of free flow
design and has generous cross sections
to aid exhaust gas flow.
The manifold heat valve and thermostat
is no longer required
Larger diameter exhaust and front tail
pipes are used
X2 Engine option includes a completely
new exhaust system of low restriction
contributing to the power increase
"Y" connected exhaust pipes
lead to a new single entry muffler and
new resonator
The "Y" junction has been
located for maximum output
Manual Transmission (3 speed):
1st: 2.99:1
2nd: 1.59:1
3rd: 1.00:1
Reverse: 2.99:1
Manual Transmission (4 speed):
1st: 3.428:1
2nd: 2.156:1
3rd: 1.366:1
4th: 1.000:1
Reverse: 3.317:1
Powerglide Automatic Transmission
(2 speed):
1st: 1.82:1
2nd: 1.1:1
Reverse: 1.82:1
Clutch:
GMH diaphragm single dry plate
Belleville diaphragm
Rear Axle Ratio:
3.55:1
Engine/Transmission Combinations:
186 and "X2" optional on all
Standard and Special models
X2 optional on Premier models
Three speed manual and Powerglide automatic
transmissions available across all engines
Four speed manual transmission available
on 186S late in model series
Top Speed in Gears:
186 HR Special Sedan Manual:
1st: 35 mph (56 km/h)
2nd: 64 mph (103 km/h)
3rd: 97 mph (156 km/h)
0-60 mph (0-97 km/h): 12.9 seconds
Standing Quarter Mile (400 metres):
18.5 seconds
186 HR Premier Sedan Powerglide Automatic:
1st: 60 mph (97 km/h)
2nd: 87.1 mph (140 km/h)
0-60 mph (0-97 km/h): 15.3 seconds
Standing Quarter Mile (400 metres):
19.5 seconds
161 HR Special Sedan Manual:
1st: 33 mph (53 km/h)
2nd: 64 mph (103 km/h)
3rd: 91.7 mph (148 km/h)
0-60 mph (0-97 km/h): 14.3 seconds
Standing Quarter Mile (400 metres):
19.9 seconds
Suspension:
Front: Short and long arm independent
type with coil springs. Stabiliser bar.
Direct acting tubular telescopic shocks
Rear: Semi-elliptic springs, four leaves
on Sedan, five leaves on Station Sedan.
Direct acting tubular telescopic shocks
Steering:
Recirculating ball type, ratio 16.8:1
Optional Power Assisted steering available
Brakes:
Front: Hydraulic 9 inch (229mm) drums,
Disc brakes optional
Rear: Hydraulic 9 inch (229mm) drums
Wheels:
Demountable disc wheels
Tyres:
Tubeless 6.40x13 four-ply medium low
profile tires
Six-ply optional on all models.
Safety rims
Holden HR
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