Holden Gemini TX Technical Specifications

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Holden TX Gemini
Holden Colour Codes A - L
Holden Colour Codes A - L
Holden Colour Codes M -Z
Holden Colour Codes M -Z
  • Years of Manufacture: 1975 - 1977
  • Number Built: 42,792
  • Price at Introduction: n/a
  • Models:
    • Gemini SL Sedan 2 door
    • Gemini SL Sedan 4 door
    • Gemini SL Coupe
  • Date(s) of Introduction:
    • March, 1975
  • To Identify:
    • Attractive rounded appearance, with angular front end and bonnet inverting to meet recessed grille
  • Body:
    • Unitary construction (Monocoque)
  • Exterior Dimensions:
    • Total Length: 162.7 in. (4133mm)
    • Total Width: 61.8 in. (1570mm)
    • Wheelbase: 94.6 in. (2404mm)
    • Front Track: 51.2 in. (1301mm)
    • Rear Track: 51.9 in. (1318mm)
  • Kerb Weight:
    • Gemini SL Sedan 2 door: 2001 lbs. (908kg)
    • Gemini SL Sedan 4 door: 1984 lbs. (900kg)
    • Gemini SL Coupe: 1970 lbs. (894kg)
  • Turning Circle: 9.5 metres
  • Fuel Tank Capacity: 52 litres
  • Instruments:
    • Speedometer with integrated odometer
    • Petrol gauge
    • Temperature gauge
    • Warning lamps for:
      • brake system failure
      • parking brake
      • generator
      • oil pressure
      • high beam indicator
      • turn signals

Also see:
Holden Gemini TX Brochure

  • Engine (4 cylinder):
    • Capacity: 1584cc
    • Type: Conventional, watercooled four stroke, reciprocating piston type with 4 cylinders, five bearing crankshaft
    • Configuration: Front mounted, longitudinal, inline
    • Head: Cross-flow aluminium
    • Fuel System: Two barrel downdraft mounted on four-branch water heated aluminium intake manifold, electrically controlled automatic choke
    • Bore and Stroke: 3.23 in. x 2.95 in. (82.0mm x 75.0mm)
    • Power: 75 bhp (56.0 kW) @ 5400rpm
    • Torque: 84 lb. ft. (114 Nm) @ 3400rpm
    • Compression Ratio: 8.7:1
  • Ignition and Electrical:
    • 12 volt with 40 amp hour battery (7 plates per cell)
    • Generator, 12 pole star-wound stator, diode-rectified
  • Exhaust:
    • Cast iron manifold and single pipe
  • 4 speed All Synchromesh Manual Transmission:
    • 1st: 3.51:1
    • 2nd: 2.17:1
    • 3rd: 1.42:1
    • 4th: 1.00:1
    • Reverse: 3.93:1
  • Clutch:
    • Single dry plate diaphram spring actuation type, area both facings 362 sq. cm (56 sq. in.), cable operated
  • Rear Axle Ratio:
    • 3.90:1
  • Top Speed in Gears:
    • n/a
  • Suspension:
    • Front: Independent with coil springs, long and short control arms, hydraulic double-acting telescopic shock absorbers.
    • Rear: Torque tube integral with live axle. 3 links used to locate axle, 2 lateral, 1 transverse. Double acting shock absorbers
  • Steering:
    • Rack and pinion, life lubricated
    • Energy absorbing steering column on all models, with flexible coupling to helical rack and pinion
    • Overall ratio 20.4:1
    • 1.42 turns lock-to-lock
  • Brakes:
    • Front: Disc, Hub with bolt-on rotor - opposed piston, fixed caliper. Outer diameter 239.0mm (9.41 in.), thickness 10.0mm (0.39 in.), swept area 2 surfaces/2 discs 1089.3 sq. cm (167.5 sq. in.)
    • Rear: Drum, duo servo type. Effective swept area 2 drums 638.3 sq. cms (98.96 sq. in.).
    • Total swept area disc/drum 1719 sq. cms (266.5 sq. ins.)
    • Centrally-mounted handbrake operating on rear wheels
  • Wheels:
    • Vented 13" x 4.50JJ 4 stud steel disc safety wheels
  • Tyres:
    • Y78L 13 4 ply

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