GTA V6 TURBO
TECHNICAL SPECIFICATIONS
(July 1986)
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GENERAL Type
Cd. Cd. A
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2-door, 2 + 2 coupe. In-line mounted rear engine. Rear wheel drive. Construction: laminated polyester bodyshell integral with steel backbone chassis. 0.30 5.49
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ENGINE Type Cycle Installation Arrangement Material Crankshaft main bearings Bore x stroke (mm) Capacity (cc) Compression ratio. Max. power, kW ISO (bhp DIN) at engine speed, rpm Max. torque, Nm ISO (lb-ft) at engine speed, rpm Valve operation * camshaft * camshaft drive * valve timing diagram * valves Ignition
Firing order Fuel Engine cooling
Lubrication
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7ZU-730 4-stroke petrol, turbocharged Rear-mounted V6 at 90° Light alloy block and heads 4, with big-end bearings staggered at 30° each throw 91 x 63 2,458 8.6:1 147 (200) 5,750 285 (214) 2,500
one, overhead per cylinder block chain driven 8°-40°-40°-8° inclined overhead in opposed vee, operated by rocker arm, with hemispherical combustion chambers. Renix integral electronic, with idle speed control; Garrett AiResearch T3 turbocharger with integral wastegate and air-air intercooler 1-6-3-5-2-4 97/99 octane (4-star) Sealed, liquid, pressurised system comprising radiator, pump, thermostat, hot expansion chamber & thermostatically controlled electric fans Large capacity, light alloy wet sump & chain-driven gear-type pump, with feed to turbo bearings.
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GEARBOX Type Casing Ratios & speeds in mph per 1,000 rpm with tyres (circ) 1st 2nd 3rd 4th 5th Reverse Final drive
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5-speed, all-indirect transaxle, longitudinally-mounted, twin tube shift mechanism with central lever. Aluminium alloy and differential housing. 255/45 R 15 V, 1.843m 11 x 37=3.36 - 5.95 mph 17 x 35=2.06 - 9.72 mph 21 x 29=1.38 - 14.50 mph 28 x 27=0.96 - 20.76 mph 41 x 31=0.76 - 26.48 mph 11 x 39=3.545 - 5.64 mph 9 x 31=3.444
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STEERING Type Midpoint ratio Steering wheel diameter Turns lock to lock Turning circle, kerbs walls
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Rack & pinion 20:1 13.8in. 2.94 37ft.4.8in. 39ft.0.5in.
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SUSPENSION FRONT Geometry Springs Spring rate Anti-roll bar REAR Geometry Springs Spring rate Anti-roll bar
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Independent, double wishbones, with 7° anti-dive inclination of front lower wishbone Combined helicoidal springs with telescopic hydraulic shock absorbers 233 lbs/in 16mm diameter
Independent, double wishbones Combined helicoidal springs with telescopic hydraulic shock absorbers 350lbs/in 22mm diameter |
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BRAKES Circuit
Front brakes Pad area Rear brakes Pad area Servo |
Two separate circuits, servoassisted, hydraulically operated. Brake pressure limiter acts on rear circuit. Brake fluid level indicator. Ventilated discs, 10.2in. diameter, 20mm thick 44.3 sq.in. Ventilated discs, 10.2in. diameter, 20mm thick 44.3 sq.in. Vacuum type, 7.0in. diameter.
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WHEELS Type Front Rear
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Light alloy 6" x 15" 8.5" x 15"
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TYRES Type Front Rear Emergency wheel
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Radial-ply tubeless, ultra low profile 195/50 R 15 V 255/45 R 15 V 4J15, steel, T 125/70 R15 tyre
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CLUTCH Type
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Single dry-plate diaphragm, 235mm diameter, with hydraulically operated guidance release bearing
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ELECTRICAL EQUIPMENT Battery Alternator |
12 volt/50Ah 90 amp
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CAPACITIES Fuel tank Cooling system Engine oil Gearbox oil
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15.84 gallons (72 litres) 3.30 gallons (15 litres) 12.50 pints (7.1 litres) 5.28 pints (3.0 litres)
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WEIGHTS Kerb weight on front axle on rear axle Gross vehicle weight Payload including driver Towing weight (braked) Towing weight (unbraked)
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2,601 lbs (1,180 kgs) 992 lbs (450 kgs) 1,609 lbs (730 kgs) 3,417 lbs (1,550 kgs) 705 lbs (320 kgs) 1,764 lbs (800 kgs) 1,102 lbs (500 kgs)
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FUEL CONSUMPTION Steady 56 mph (90 km/h) Steady 75 mph (120 km/h) Urban cycle
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44.1 mpg (6.4 Its) 34.9 mpg (8.1 Its) 22.1 mpg (12.8 Its)
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PERFORMANCE Maximum speed 0-62 mph (sec) Standing 1/4-mile (sec) Standing kilometre (sec)
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155 mph (255 km/h) 7.0 14.5 26.8
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DIMENSIONS Overall length Overall width Overall height Wheelbase Front track Rear track
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170.5 in. 69.1 in. 47.1 in. 92.1 in. 58.8 in. 57.6 in.
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SERVICE INTERVALS Minor service & oil change Major service
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6,000 miles 30,000 miles
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