Vehicle Class:
Luxury Grand Tourer (GT)
Target Demographic:
Affluent buyers seeking performance and luxury
Competitors 1979:
Ferrari 400 GT, Maserati Kyalami, Aston Martin DBS
Unique Selling Proposition:
Front-engine, rear-wheel-drive V8 GT with innovative transaxle design
Design Philosophy:
Comfort, performance, and advanced technology for long-distance touring
Lighting System:
Headlights, taillights, interior lighting, auxiliary lighting
Ignition System:
Ignition coil, distributor, spark plugs, starter circuit
Fuel System Electrical:
Fuel pump relay, fuel injection system wiring (if applicable for 1979 USA)
Cooling System Electrical:
Radiator fan control, temperature sensors
Instrumentation:
Speedometer, tachometer, fuel gauge, oil pressure gauge, warning lights
Wiper Washer System:
Wiper motor, washer pump, switch wiring
Horn System:
Horn, horn relay, horn button wiring
Power Windows:
Window motor, switch wiring (if equipped)
Power Seats:
Seat motor, switch wiring (if equipped)
HVAC Controls:
Blower motor, climate control unit wiring
Audio System Wiring:
Radio wiring, speaker connections
Interior Lighting:
Dome light, vanity mirror lights, footwell lights
Exterior Lighting:
Headlights (low/high beam), parking lights, brake lights, turn signals, reverse lights
Charging System:
Alternator wiring, voltage regulator wiring
Accessories:
Cigar lighter, power outlets
Component Testing:
Testing of fuses, relays, switches, motors, solenoids
Wiring Troubleshooting:
Identifying open circuits, short circuits, ground faults
Connector Diagnosis:
Inspection and testing of electrical connectors
Fuse Relay Function:
Understanding the purpose and operation of fuses and relays
Diagnostic Techniques:
Step-by-step troubleshooting flowcharts
Component Replacement Guidance:
Implied by the nature of troubleshooting electrical faults
Depth:
Advanced Electrical Diagnostics
Understanding Level:
Suitable for individuals with basic electronic knowledge
Engine Code:
M329 (for early 928)
Configuration:
V8, 90-degree
Displacement Liters:
4.5 L
Displacement Ci:
275.5 cu in
Bore X Stroke Mm:
94.1 x 80.0 mm
Horsepower Bhp:
219 bhp @ 5000 rpm (USA Spec)
Torque Lb Ft:
245 lb-ft @ 3600 rpm (USA Spec)
Induction:
Bosch K-Jetronic CIS (Continuous Injection System)
Fuel Type:
Unleaded Gasoline
Ignition Type:
Electronic Ignition (breakerless)
Engine Control Unit:
None (Mechanical fuel injection)
Type:
5-speed Manual Transaxle (G28/01)
Type:
3-speed Automatic Transaxle (W28/01)
Transaxle Design:
Integrated transmission and rear differential
Manual Transmission Fluid:
Hypoid Gear Oil SAE 75W-90
Automatic Transmission Fluid:
Dexron III (or equivalent)
Crash Test Data:
Limited data available for this era; focus on inherent structural integrity
Brakes:
4-wheel Disc Brakes (Vented Front)
Steering:
Power-assisted Rack and Pinion
Seatbelts:
3-point Inertial Reel Seatbelts
Interior Materials:
Designed for occupant protection
Audio System:
Factory AM/FM Radio with Cassette Player (optional)
Speakers:
Factory Speaker Configuration (variable by trim)
Cruise Control:
Standard (for USA Models)
Anti Lock Brakes:
Not available on early 1979 models
Climate Control:
Manual or Automatic Climate Control (optional)
Dashboard Design:
Futuristic 'cockpit' style with extensive instrumentation
Oil Change Interval Km:
Every 10,000 km or annually
Major Service Interval Km:
Every 40,000 km (includes timing belt, accessory belts)
Engine Oil Type:
API SG/SH, SAE 10W-40 or 20W-50
Engine Oil Capacity Liters:
8.5 L (with filter)
Coolant Type:
Porsche G48 (or 50/50 mix of ethylene glycol and distilled water)
Brake Fluid Type:
DOT 3 or DOT 4
Common Electrical Faults:
Corrosion in wiring harnesses, aging relays, dashboard warning light failures, headlight motor issues
Common Mechanical Faults:
Timing belt failure (critical), cooling system leaks, fuel distributor issues
