Market Segment:
        
        
            Mid-size to large family cars and sporty coupes, popular in the Australian market
        
     
    
    
        
            Competitors:
        
        
            Ford Falcon, Chrysler Valiant, and imported models such as Ford Cortina and various European sedans.
        
     
    
    
        
            Feature 1:
        
        
            Robust Australian engineering for local conditions.
        
     
    
        
            Feature 2:
        
        
            Variety of body styles catering to different needs (sedan, wagon, coupe, utility).
        
     
    
        
            Feature 3:
        
        
            Strong emphasis on V8 performance options, especially for Monaro variants.
        
     
    
        
            Feature 4:
        
        
            Comfortable ride and spacious interiors for family use.
        
     
 
    
    
    
        
            Engine:
        
        
            Engine components, internal and external, gaskets, seals, fasteners
        
     
    
        
            Fuel System:
        
        
            Carburettor components, fuel pump, fuel lines, filters
        
     
    
        
            Cooling System:
        
        
            Radiator, hoses, thermostat, water pump, fan
        
     
    
        
            Ignition System:
        
        
            Distributor, coils, spark plugs, wiring
        
     
    
        
            Exhaust System:
        
        
            Exhaust manifolds, pipes, mufflers, hangers
        
     
    
        
            Transmission:
        
        
            Manual and automatic transmission components, clutch assembly, driveshaft
        
     
    
        
            Drivetrain:
        
        
            Differential, axles, wheel bearings
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, bushes
        
     
    
        
            Steering:
        
        
            Steering column, steering box, tie rods, power steering components (if applicable)
        
     
    
        
            Brakes:
        
        
            Brake calipers, discs, drums, master cylinder, brake lines, parking brake components
        
     
    
        
            Electrical System:
        
        
            Wiring harnesses, lights, switches, ignition switch, starter motor, alternator, battery components, dashboard instrumentation
        
     
    
        
            Body:
        
        
            Body panels (fenders, doors, hood, trunk lid), trim, bumpers, grilles, glass, seals, hinges, latches, body fasteners
        
     
    
        
            Interior:
        
        
            Seats, carpets, door cards, dashboard components, steering wheel, interior trim pieces, seat belts
        
     
    
        
            Heating Ventilation Air Conditioning:
        
        
            Heater core, blower motor, ducting, vents, air conditioning components (if fitted)
        
     
    
        
            Accessories:
        
        
            Optional accessories like tow bars, radio components, etc.
        
     
    
    
        
            Part Identification:
        
        
            Detailed exploded diagrams for visual identification of all components
        
     
    
        
            Part Number Lookup:
        
        
            Provision of unique Holden part numbers for ordering and replacement
        
     
    
        
            Component Assembly:
        
        
            Visual guidance on how components are assembled and related to each other
        
     
    
    
        
            Depth:
        
        
            Comprehensive parts catalog enabling correct identification and ordering of nearly every nut and bolt
        
     
    
        
            Application:
        
        
            Essential for restoration, repair, and sourcing of original or replacement parts
        
     
 
    
    
    
        
            Available Engines:
        
        
            Holden Red Motor I6 (173ci, 186ci, 202ci), Holden V8 (253ci, 308ci)
        
     
    
    
        
            Typical Hp I6:
        
        
            Approximately 114-145 hp (net) for 173/186/202ci engines, depending on tune.
        
     
    
        
            Typical Hp V8:
        
        
            Approximately 164-240 hp (net) for 253/308ci engines, depending on tune.
        
     
    
        
            Torque I6:
        
        
            Varies by displacement, e.g., 202ci V8 around 200 lb-ft.
        
     
    
        
            Torque V8:
        
        
            Varies by displacement, e.g., 308ci V8 around 280-320 lb-ft.
        
     
    
    
        
            Carburetion:
        
        
            Single-barrel or two-barrel Rochester or Stromberg carburetors, with potential for performance upgrades like Holley or Weber.
        
     
    
        
            Fuel Type:
        
        
            Unleaded petrol (though early models may have been designed for leaded).
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 111 inches (2819 mm) for sedans and wagons, potentially shorter for coupes/utility.
        
     
    
        
            Length:
        
        
            Varies by body style, e.g., sedan around 184 inches (4673 mm).
        
     
    
        
            Width:
        
        
            Approx. 70 inches (1778 mm).
        
     
    
        
            Height:
        
        
            Approx. 54-56 inches (1370-1422 mm) for sedans, higher for wagons and utility.
        
     
    
    
        
            Curb Weight:
        
        
            Ranges from approx. 2700 lbs (1225 kg) for base models to over 3200 lbs (1450 kg) for V8 models.
        
     
    
        
            Gross Vehicle Weight Rating:
        
        
            Typically around 3500-4000 lbs (1588-1814 kg) depending on configuration.
        
     
 
    
    
    
        
            Safety Ratings Era:
        
        
            Pre-date modern standardized crash testing (e.g., ANCAP, NHTSA). Safety features were basic by today's standards.
        
     
    
    
        
            Active Safety:
        
        
            Brake systems (front discs standard on most models, rear drums), power steering (optional), limited-slip differential (optional on some models).
        
     
    
    
        
            Passive Safety:
        
        
            Seat belts (lap belts standard, optional front shoulder belts), padded dashboard and steering wheel, safety glass.
        
     
    
        
            Structural Safety:
        
        
            Basic steel body-on-frame construction, designed with crumple zones common for the era.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 3,000 miles (4,800 km) or 3-6 months, depending on usage.
        
     
    
        
            Tune Up Interval:
        
        
            Spark plugs, points, and condenser checks/replacement typically every 10,000-15,000 miles (16,000-24,000 km).
        
     
    
        
            Transmission Service:
        
        
            Automatic transmission fluid and filter change typically every 12,000-24,000 miles (20,000-40,000 km).
        
     
    
    
        
            Engine Oil:
        
        
            API SG or SH classification, SAE 20W-50 or 10W-30 recommended depending on climate and engine condition.
        
     
    
        
            Coolant:
        
        
            A 50/50 mixture of ethylene glycol-based antifreeze and water. Consult manual for specific type.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 glycol-based brake fluid.
        
     
    
        
            Transmission Fluid Auto:
        
        
            Dexron-III (or equivalent) automatic transmission fluid.
        
     
    
        
            Transmission Fluid Manual:
        
        
            GL-4 or GL-5 gear oil, SAE 80W-90 typically.
        
     
    
    
        
            Rust:
        
        
            Common areas include wheel arches, door sills, floor pans, and rear quarter panels due to age and Australian climate.
        
     
    
        
            Engine Wear:
        
        
            Oil consumption, worn valve guides, and potential bearing wear in high-mileage Red Motors and V8s.
        
     
    
        
            Cooling System:
        
        
            Radiator leaks, thermostat failure, and water pump leaks are common due to age.
        
     
    
        
            Suspension Bushes:
        
        
            Rubber suspension bushes degrade over time, leading to poor handling and alignment issues.
        
     
    
        
            Electrical Corrosion:
        
        
            Wiring harnesses and connectors can suffer from corrosion and degraded insulation.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            Holden is an iconic Australian automotive manufacturer, originally established to build car bodies for Chevrolet.
        
     
    
    
        
            Hj Introduction:
        
        
            The HJ series replaced the HG Holden and was a significant update, featuring revised styling, particularly the front-end treatment, and improved powertrains.
        
     
    
        
            Key Updates Hj:
        
        
            Revised grille, headlights, taillights, and interior refinements. Introduction of radial tuned suspension (RTS) on some models for improved handling.
        
     
    
    
        
            Production Period:
        
        
            1974-1975
        
     
    
        
            Manufacturing Location:
        
        
            Australia (primarily GMH's Dandenong, Victoria plant)
        
     
    
        
            Total Production Hj:
        
        
            Over 170,000 units across all body styles and trims.