Positioning:
        
        
            Iconic Japanese sports car, the 240Z (Fairlady Z in Japan) revolutionized affordable performance motoring.
        
     
    
    
        
            Competitors Era:
        
        
            Competed with cars like the Jaguar E-Type (at a fraction of the cost), Chevrolet Corvette, and European GT cars.
        
     
    
    
        
            Design Philosophy:
        
        
            Stylish Italian-esque GT coupe design with a potent inline-six engine, rear-wheel drive, and a focus on driver engagement.
        
     
    
        
            Value Proposition:
        
        
            Exceptional performance and design for its price point, making sports car ownership accessible.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Complete overhaul, tuning, lubrication, cooling system, fuel delivery (carburetor specific), exhaust.
        
     
    
        
            Engine Electrical:
        
        
            Ignition system, starter motor, alternator, wiring diagrams, lighting, instrumentation.
        
     
    
        
            Transmission:
        
        
            Manual and Automatic transmission overhaul, clutch assembly, driveshaft, differential.
        
     
    
        
            Brakes:
        
        
            Front disc and rear drum brake systems, hydraulic lines, master cylinder, parking brake.
        
     
    
        
            Suspension Steering:
        
        
            Front strut suspension, rear independent suspension, steering gear, power steering (if applicable).
        
     
    
        
            Body Chassis:
        
        
            Body panel repair, frame straightening, doors, windows, trim, interior components.
        
     
    
        
            Electrical Body:
        
        
            Wiper system, heater, ventilation, air conditioning (if equipped), power accessories.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid checks and top-offs.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, symptoms, and remedies.
        
     
    
        
            Repair Rebuild:
        
        
            Detailed step-by-step instructions for component disassembly, repair, and reassembly.
        
     
    
        
            Restoration:
        
        
            Guidance on refurbishment of various vehicle systems and aesthetic components.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to full engine and transmission rebuilds, including electrical diagnostics.
        
     
 
    
    
    
    
        
            Engine Type:
        
        
            SOHC Inline 6-cylinder
        
     
    
        
            Displacement:
        
        
            2393 cc (2.4 Liters)
        
     
    
        
            Bore X Stroke:
        
        
            83.0 mm x 73.7 mm
        
     
    
    
        
            Horsepower Net:
        
        
            151 hp @ 5600 rpm (SAE Net)
        
     
    
        
            Torque Net:
        
        
            190 lb-ft @ 4000 rpm (SAE Net)
        
     
    
    
        
            Carburetion:
        
        
            Twin SU HS4 (or Hitachi HJG 46W) 2-barrel carburetors.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline (recommend premium)
        
     
    
    
        
            Ignition Type:
        
        
            Distributor-based ignition with points and condenser.
        
     
 
    
    
    
        
            Safety Era:
        
        
            Safety standards of the era, lacking modern passive safety features like airbags and advanced crumple zones.
        
     
    
    
        
            Brakes:
        
        
            Front ventilated disc brakes, rear drum brakes. Power assistance was often optional or standard on later models.
        
     
    
    
        
            Seatbelts:
        
        
            Lap and shoulder belts (likely three-point).
        
     
    
        
            Construction:
        
        
            Unitized body construction with integrated safety cage elements.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 3,000 miles or 6 months, whichever comes first.
        
     
    
        
            Tune Up:
        
        
            Recommended every 10,000-12,000 miles or annually, including spark plugs, points, condenser, and distributor timing.
        
     
    
        
            Transmission Fluid:
        
        
            Check every 6 months, change every 24,000-30,000 miles (refer to manual for exact interval and fluid type).
        
     
    
    
        
            Engine Oil:
        
        
            API SF or SG rated oil, viscosity typically SAE 10W-30 or 10W-40 (refer to manual for precise recommendation).
        
     
    
        
            Coolant:
        
        
            50/50 mixture of ethylene glycol antifreeze and distilled water.
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 (check manual for specific type).
        
     
    
    
        
            Rust Prone Areas:
        
        
            Wheel arches, rocker panels, floor pans, battery tray area, rear hatch surround.
        
     
    
        
            Carburetor Issues:
        
        
            SU carburetors can be finicky; require regular adjustment, proper fuel flow, and correct float levels.
        
     
    
        
            Ignition System:
        
        
            Points and condenser require periodic inspection and replacement for optimal running.
        
     
    
        
            Electrical Gremlins:
        
        
            Aging wiring can lead to intermittent issues; thorough inspection and repair is often necessary.
        
     
 
    
    
    
        
            Datsun Legacy:
        
        
            Datsun (later Nissan) built a reputation for reliable, affordable, and sporty vehicles.
        
     
    
    
        
            First Generation:
        
        
            The S30 chassis, of which the 240Z is the first iteration in North America, debuted in 1969 in Japan.
        
     
    
    
        
            Model Years:
        
        
            240Z designation used for North America from 1970-1973. Replaced by the 260Z in 1974.
        
     
    
        
            Significant Changes 1973:
        
        
            Minor styling updates, bumper enhancements (often to meet US regulations), and potential minor interior refinements over previous years.