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Brock's first VL models were based on the Calais,
an obvious indication that the vehicles were
now very much in the up-market muscle car sector.
Both sedan and wagon versions were available,
and the initial Calais LE
model was powered by the 3.0 litre Nissan straight
six, but as the Nissan Turbo and V8 engines became
available it was only natural they would find
their way under the HDT bonnets.
For a time the
turbo six was more popular than the V8, the latter
had been set up to provide bag-loads of torque,
but many simply wanted the power and had seemingly
forgotten how tractable the V8's were. Improvements
were made to the V8's and soon they would regain
the mantle as the "motor" of choice, although
Peter Brock continued to refer to them as 4.9
litre long after Holden had switched to calling
them simply a 5.0 litre.
- Years of Manufacture: 1986 - 1987
- Number Built:
- SS Group A: 500
- Other HDT specials - numbers unknown
- Models:
- HDT SS Group A
- HDT SS Group Three
- Corsa
- Calais LE
- Calais Director
- Bathurst
- Bathurst Aero
- Date(s) of Introduction:
- SS Group A: November, 1986
- Calais Director: February, 1987
- SS Group Three: Mid 1987
- To Identify:
- SS Group A: A new slim slotted style
grille panel, bonet bulge, NACA style inlet
duct, larger rear spoiler, front air dam
with three huge air inlets but no side
or rear skirts in standard form, distinctive
Momo five spoke alloy wheels fitted, available
in red only
- SS Group Three: Slotted grille panel,
no bonnet bulge, rear spoiler, front
air dam with three air inlets, side skirts
and rear skirt, reverted to HDT styled alloy wheels, available in white only
- Calais LE: Based on Calais with front
air dam extending from standard bumper,
letter box grille, 15" HDT alloy wheels,
side skirts, rear bumper extension, lip
spoiler
- Calais Director: Peri integration body
styling, side skirts, front spoiler with
driving lights, rear turned-up spoiler,
fender flares, rear underbody adjustable
wing, roof spoiler with safety brake
lamp, HDT/Momo 16" alloy wheels
- Bathurst: Group Three spoiler, side
skirts, wheels, Group A grille and rear
spoiler
- Bathurst Aero: Calais Director body
kit without fender flares, LE spoiler
and Group Three wheels
- Body:
- Unitary construction (Monocoque)
- Exterior Dimensions:
- Total Length:
4766mm
- Total Width: 1722mm
- Total Height at kerb weight: 1367mm
- Wheelbase:
2668mm
- Front Track: 1451mm
- Rear Track:
1433mm
- Kerb Weight: 1295kg (SS Group A)
- Turning Circle:
- Fuel Tank Capacity: 63 litres
- Instruments:
- Instrument cluster from Berlina
- Addition of Tachometer, Momo leather-bound steering wheel, Momo leather gear shift
knob (on manual models)
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- SS Group A:
- Capacity: 4.987 litre
- Type: Conventional, watercooled four
stroke, reciprocating piston type with
8 cylinders
- Configuration: Front mounted, longitudinal,
Vee configuration
- Head: Pushrod and rocker actuated ohv
with two valves per cylinder
- Fuel System: Rochester Quadrajet 4
barrel downdraft type carburettor
- Bore and Stroke: 101.6 x 76.8mm
- Power: 137kw at 4400rpm
- Torque: 345Nm at 3200rpm
- Compression Ratio: 8.5:1
- SS Group Three:
- Capacity: 4.987 litre
- Type: Conventional, watercooled four
stroke, reciprocating piston type with
8 cylinders
- Configuration: Front mounted, longitudinal,
Vee configuration
- Head: Pushrod and rocker actuated ohv
with two valves per cylinder
- Fuel System: Rochester Quadrajet 4
barrel downdraft type carburettor
- Bore and Stroke: 101.6 x 76.8mm
- Power: 187kw at 4700rpm
- Torque: 415Nm at 3600rpm
- Compression Ratio: 9.2:1
- Director 'Stroker':
- Capacity: 5.643 litre
- Type: Conventional, watercooled four
stroke, reciprocating piston type with
8 cylinders
- Configuration: Front mounted, longitudinal,
Vee configuration
- Head: Pushrod and rocker actuated ohv
with two valves per cylinder
- Fuel System: Rochester Quadrajet 4
barrel downdraft type carburettor
- Bore and Stroke: 102.4. x 85.7mm
- Power: 231kw at 5400rpm
- Torque: 536Nm at 3200rpm
- Compression Ratio: 9.2:1
- Ignition and Electrical:
- 12 volt negative ground
- Breakerless high energy electronic
ignition
- Exhaust:
- New exhaust system incorporating catalytic
converter
- 5 speed Borg-Warner T-5 Manual
Transmission:
- 1st: 3.25:1
- 2nd: 1.99:1
- 3rd: 1.29:1
- 4th: 1.00:1
- 5th: 0.72:1
- Reverse: 3.15:1
- 3 speed Automatic Transmission:
- 1st: 2.31:1
- 2nd: 1.46:1
- 3rd: 1.00:1
- Reverse: 1.85:1
- Clutch:
- Single dry plate diaphram spring
actuation type
- Torque converter on Group Three Automatic
- Rear Axle Ratio: 3.08:1
- Top Speed in Gears:
- SS Group A 5 speed manual:
- 1st: 63 km/h
- 2nd: 104 km/h
- 3rd: 160 km/h
- 4th: 207 km/h
- 5th: 221 km/h
- 0-100 km/h: 7.5 seconds
- Standing Quarter Mile (400 metres):
15.5 seconds
- SS Group Three 5 speed manual:
- 1st: 64 km/h
- 2nd: 104 km/h
- 3rd: 161 km/h
- 4th: 207 km/h
- 5th: 221 km/h
- 0-100 km/h: 7.6 seconds
- Standing Quarter Mile (400 metres):
15.2 seconds
- Director 'Stroker' 5.6 litre 5 speed
manual:
- 1st: 66 km/h
- 2nd: 107 km/h
- 3rd: 165 km/h
- 4th: 210 km/h
- 5th: 227 km/h
- 0-100 km/h: 7.0 seconds
- Standing Quarter Mile (400 metres):
15.1 seconds
- Suspension:
- Front: Fully independent, MacPherson
struts with coil springs and anti-roll bar, Bilstein
dampers
- Rear: Live axle located by trailing
arms and Panhard rod. Coil springs and anti-roll bar; Bilstein dampers, Opel
semi-trailing arm IRS standard on Calais
Director, optional on other models
- Steering:
- Power assisted rack and pinion, ratio
15.8:1
- Turns lock-to-lock: 2.7
- Brakes:
- Split circuit system with power booster
- Front:
289mm vented discs
- Rear: 230mm discs
- Wheels:
- SS Group A: 7.0 inch x 16.0 inch HDT
Momo 5 spoke Alloys
- SS Group Three: 7.0 x 16 inch HDT alloys
- Calais LE: 7.0 x 15 inch HDT alloy
with option of 7.0 x 16 inch HDT Momo
- Calais Director: 8.0
inch x 16.0 inch HDT
Momo 5 spoke Alloys
- Tyres:
- SS Group A: Bridgestone RE71 205/55 VR15
- SS Group Three: Bridgestone RE71 225/50
VR16
- Calais LE: 215/60 VR12 with optional
225/50 VR16
- Calais Director: Bridgestone RE71 245/45
VR16
Also see:
HDT Brock Group 3 Signature Series Brochure
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