Vehicle Segment:
Mid-engined, rear-wheel-drive sports car
Brand Heritage Context:
Represents a significant era for Ferrari, offering a more accessible and road-focused sports car with V6 power, named in homage to Enzo Ferrari's son, Alfredo 'Dino' Ferrari.
Primary Competitors:
Porsche 911, Lamborghini Urraco (later), Chevrolet Corvette, Lotus Europa
Design Philosophy:
Pininfarina styling, mid-engined layout for optimal weight distribution and handling
Engine Placement:
Mid-engine
Body Styles:
Chicane coupe (GT) and targa-top convertible (GTS)
Engine Mechanical:
Complete disassembly, assembly, inspection, and overhaul of V6 engine components (block, heads, pistons, crankshaft, camshafts, valves, timing system)
Fuel System:
Carburetor (Weber 40 DCNF) adjustment, cleaning, rebuilding, fuel pump, fuel lines, fuel tank
Ignition System:
Distributor, ignition coils, spark plugs, wiring, timing adjustment
Cooling System:
Radiator, fan, water pump, thermostat, hoses, coolant specifications
Exhaust System:
Exhaust manifolds, pipes, mufflers, catalytic converter (if applicable for later models/regions)
Transmission:
Manual transmission (5-speed transaxle) overhaul, clutch system, gear oil specifications
Drivetrain:
Rear axle, differential, drive shafts, CV joints
Brakes:
Hydraulic system, brake calipers, discs, pads, master cylinder, brake fluid specifications, bleeding procedures, parking brake
Suspension:
Front and rear suspension geometry, shock absorbers, springs, control arms, bushings, wheel alignment specifications
Steering:
Steering rack, tie rods, steering column, lubrication
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, gauges, switches, fuse box, diagnostic procedures
Body And Chassis:
Body panel repair, door mechanisms, windows, convertible top mechanism (GTS), interior trim, chassis lubrication
Maintenance:
Routine service, oil changes, filter replacements, lubrication points, ignition timing, carburetor tuning
Troubleshooting:
Diagnosis of common problems, systematic fault finding for engine, electrical, fuel, and drivetrain issues
Repair:
Step-by-step instructions for component repair and replacement, including major overhauls
Rebuilds:
Detailed procedures for engine, transmission, and carburetor rebuilds
Adjustments:
Carburetor synchronization, ignition timing, valve lash, clutch adjustment
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds
Diagrams Illustrations:
Top quality, highly detailed exploded pictures and diagrams
Specifications:
Inclusion of all manufacturer specifications and technical data
Engine Type:
V6 (90-degree)
Displacement:
2418 cc (2.4 Liters)
Bore X Stroke:
90.5 mm x 78 mm
Engine Code:
Tipo 135B (246 GT), Tipo 135CS (246 GTS, later GT)
Horsepower:
Approx. 195 PS (DIN) / 192 hp (SAE) at 7,600 rpm (depending on market and emission regulations)
Torque:
Approx. 214 Nm (158 lb-ft) at 5,000 rpm
Carburetors:
3 x Weber 40 DCNF downdraft carburetors
Fuel Type:
Unleaded gasoline (RON 98 recommended for optimal performance)
Ignition System:
Breaker-point distributor (early), electronic ignition (later models/upgrades)
Oil Change:
Every 5,000 km (3,000 miles) or annually, whichever comes first.
Filter Replacement:
Oil filter at every oil change. Air filters and fuel filters as per manual's schedule.
Tune Up:
Recommended every 10,000 km (6,000 miles), including ignition timing, carburetor adjustments, and valve lash checks.
Engine Oil:
SAE 20W-50 API SF or SG (e.g., Castrol GTX High Performance, Valvoline VR1)
Transmission Fluid:
SAE 75W-90 GL-4 (e.g., Red Line MTL, Penrite Gear Oil 75W-90)
Brake Fluid:
DOT 3 or DOT 4 (high-performance, low-moisture absorption recommended)
Coolant:
50/50 mix of deionized water and ethylene glycol-based antifreeze.
Rust Prone Areas:
Wheel arches, sills, floor pans, around windscreen and rear window seals.
Engine Wear:
Potential for wear in the V6 engine, particularly around valve guides and timing components if not maintained diligently.
Carburetor Issues:
Weber 40 DCNF carburetors require precise tuning and can be sensitive to wear and fuel quality.
Electrical Gremlins:
Age-related degradation of wiring insulation and connectors can lead to intermittent electrical faults.
Oil Filter Example:
Mann-Filter W 920/1, Purolator L10242 (cross-referenced for commonality)
Spark Plug Example:
Bosch W 7 BC or equivalent NGK (refer to manual for exact fitment)
Founding:
Founded by Enzo Ferrari in 1939 as Auto Avio Costruzioni.
Philosophy:
Renowned for its racing heritage and production of high-performance, luxury sports cars.
Predecessor:
Ferrari Dino 206 GT (V6 2.0L)
Successor:
Ferrari Dino 308 GT4 (V8 mid-engined, but a different design direction)
Key Changes 1969-1974:
Increased displacement from 2.0L to 2.4L, introduction of the GTS Targa version, revisions to suspension and braking systems.
Manufacturing Location:
Maranello, Italy
Production Numbers:
Approx. 3,765 units produced across all variants (246 GT, 246 GTS).
Notable Owners:
Numerous celebrities and racing drivers of the era.
