HDT Brock Commodore VH Technical Specifications |
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- Years of Manufacture: 1982 - 1984
- Number Built: 322
(most as 5.0 litre Group Three)
- Price at Introduction:
- HDT VH Commodore: $19,420
- Models:
- HDT Commodore V8 Group One 4.2 litre
- HDT Commodore V8 Group Two 4.2 litre
- HDT Commodore V8 Group Three 4.2 litre
- HDT Commodore V8 Group Three 5.0 litre
- Date(s) of Introduction:
- To Identify:
- Based heavily on the SS Commodore, which
included:
- blacked out window surrounds
- body coloured grille
- Aunger Quattro 14" x 6" cross-spoke
style alloy wheels
- The Commodore SS was initially available
in red, with optional white coming some
time later, and both colours therefore
available to HDT iterations
- Group One cars feature a "Group One"
decal and "HDT Improved" decal
- Group Two cars feature a "Group Two"
decals, curved rear spoiler with four
supports across the boot lid, and black
wind-splitters fitted to the front fenders
- Both Group One and Group Two cars could
be optioned with the front bonnet scoop
- Group Three cars have "Group Three"
decals, and include rear spoiler
and wind splitters detailed fitted to
Group Two car, with addition of front
air-dam, side skirts, and rear apron
around body extension
- Dealer packs available for SL, SL/X
and SL/E Commodores, identified by "HDT
Improved" badge
- Body:
- Unitary construction (Monocoque)
- Exterior Dimensions:
- Total Length:
4704mm
- Total Width: 1786mm
- Total Height at kerb weight: 1368mm
- Wheelbase:
2668mm
- Front Track: 1449mm
- Rear Track:
1422mm
- Kerb Weight: 1370kg
- Turning Circle:
- Fuel Tank Capacity:
- Instruments:
- Addition of Tachometer, Momo leather-bound steering wheel, Momo leather gear shift
knob.
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- 4.2
Litre V8 Engine:
- Capacity: 4.142 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: 92.1 x 77.8mm
- Power: 100kW at 4200rpm (single exhaust ),
115kW at 4400rpm (dual exhaust )
- Torque: 269Nm at 2000rpm (single exhaust ),
289Nm at 3200rpm (dual exhaust )
- Compression Ratio: 9.0:1
- 5.0
Litre V8 Engine:
- Capacity: 5.04 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: 101.5 x 77.8mm
- Power: 126kw at 4400rpm
- Torque: 361Nm at 2800rpm
- Compression Ratio: 9.2:1
- 5.0 Litre V8 Group Three - L31
with V5H option:
- Capacity: 5.04 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 77.8mm
- Power: 184kw at 4750rpm
- Torque: 418Nm at 3500rpm
- Compression Ratio: 9.2:1
- 5.8 Litre V8 (one only):
- Capacity: 5.766 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 88.9mm
- Power: 251kw at 4800rpm
- Torque: 522Nm at 3500rpm
- Compression Ratio: 9.8:1
- Ignition and Electrical:
- 12 volt negative ground
- Bosch high energy coil
- Exhaust:
- Single with crossover pipe, two mufflers
- Optional dual exhaust with three mufflers
- Group Two and Three: HDT exhaust manifold
in VHT white
- 4 speed M21 5.0 V8 Manual Transmission:
- 1st: 2.54:1
- 2nd: 1.83:1
- 3rd: 1.38:1
- 4th: 1.00:1
- Reverse: 2.54:1
- 3 speed TurboHydramatic 350 M41
5.0 V8 Automatic Transmission:
- 1st: 2.48:1
- 2nd: 1.48:1
- 3rd: 1.00:1
- Reverse: 2.08:1
- Clutch:
- Single dry plate diaphram spring
actuation type
- Torque converter on TurboHydramatic
- Rear Axle Ratio:
- Manual: 3.08:1
- Automatic: 3.08:1
- Top Speed in Gears:
- SS HDT Group Three 5.0 Litre:
- 1st: 76 km/h
- 2nd: 105 km/h
- 3rd: 139 km/h
- 4th: 192 km/h
- 0-100 km/h: 7.5 seconds
- Standing Quarter Mile (400 metres):
15.1 seconds
- HDT SL/E 5.8 Litre (one-off):
- 1st: 98 km/h
- 2nd: 137 km/h
- 3rd: 181 km/h
- 4th: 227 km/h
- 0-100 km/h: 7.1 seconds
- Standing Quarter Mile (400 metres):
14.9 seconds
- Marlboro Holden Dealer Team 5.0 Litre:
- 1st: 96 km/h
- 2nd: 145 km/h
- 3rd: 190 km/h
- 4th: 253 km/h
- 0-100 km/h: 4.9 seconds
- Standing Quarter Mile (400 metres):
13.0 seconds
- Suspension:
- Front: Fully independent, MacPherson
struts with coil springs and anti-roll bar
- Rear: Live axle located by trailing
arms and Panhard rod. Coil springs and anti-roll bar
- Steering:
- Power assisted rack and pinion, ratio
15.8:1
- Turns lock-to-lock: 3.3
- Brakes:
- Split circuit system with power booster
- Front:
281mm vented discs
- Rear: 281mm discs
- Wheels:
- Group One and Two: 14 inch x 6 inch Aunger
Quattro spoke design alloy
- Group Three: 7.0 inch x 15.0 inch Irmscher
alloys
- Tyres:
- Group One and Two: Uniroyal ER70H14 Wildcat
Steel Radials
- Group Three: Uniroyal 225x60x15 Wildcat
steel radials
- From 28th June 1983 you could option
235x60x15 Pirelli P6 tyres on the Irmscher alloys
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