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Specifications
The table below lists the possible options available in the Holden HQ-HZ vehicle range.
Vehicles completed have not limited themselves to Holden only options with Ford, Rover and Leyland engines being used. Toyota 5 speed Supra and Celica gearboxes have been the most commonly used transmissions.
The specifications of our Targa car are in the next table.
Holden HQ-HZ specification options
| Length | 14'8" (4,470mm) |
| Width | 6' (1,829mm) |
| Height | 4' (1,219mm) |
| Ground clearance | 5" (127mm) |
| Wheelbase | 105" (2,667mm) |
| Wheel track | Front 59.5" (1,511mm)
Rear 60.2" (1,529mm) |
| Weight (kerb) with Rover V8, Supra gearbox and Salisbury differential | 2,750 Lbs (1240 kg) |
| Engines (Holden) | 6 cylinder
173 ci (2,835 cc)
202 ci (3,311 cc)
8 cylinder
253 ci (4,147 cc)
308 ci (5,048 cc)
350 ci (5,737 cc) |
| Gearboxes | 3 speed
4 speed
3 speed automatic
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| Differentials | Banjo 3.90:1, 3.55:1, 3.36:1, 3.08:1
salisbury 3.55:1, 3.36:1, 3.08:1, 2.78:1
Limited slip available |
| Suspension | Front, independent double wishbone, anti roll bar, coils
Rear, live axle, 4 link location, coils |
| Brakes | Power assisted
Front, 11" ventilated discs
Rear, 10" drums or 11.5" solid discs |
| Wheels | 5.00" JJx14" sedans
6.00" JJx14" utes |
Dunlop Targa Race Car Specifications
| Weight (kerb) with Rover V8, Supra gearbox and Salisbury differential | 2,750 Lbs (1240 kg) |
| Engine Rover | 8 cylinder 280 ci (4,600 cc)
Mallory Distributor (Pertronix electronic ignition)
Holly 450 4 barrel carburettor
Edelbrock dual plane manifold
Headers
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| Gearbox Supra | 5 speed W57
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| Differential | Salisbury 3.36:1, LSD 4 spider
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| Suspension | Front, independent double wishbone, anti roll bar, coils
Rear, live axle, 4 link location, anti roll bar, coils |
| Brakes | Power assisted
Front, 295mm VT Commodore ventilated discs slotted with VT Commodore dual pot floating callipers
Rear, 278mm VN-VS Commodore solid discs slotted with VN single pot floating callipers |
| Wheels | 7.00" JJx16" Arrow Wheels
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