Market Segment:
Performance sports car, iconic American muscle car.
Competitors 1979:
Chevrolet Camaro Z28, Pontiac Firebird Trans Am, Ford Mustang Cobra, Datsun Z-cars, Porsche 924.
Platform:
C3 Corvette generation, known for its distinctive 'Coke bottle' styling and powerful V8 engines.
Design Philosophy:
Emphasis on performance, handling, and American V8 power, with a focus on driver engagement.
Target Audience:
Owners seeking to perform maintenance, repairs, and restoration on their 1979 Corvette.
Engine Mechanical:
Engine assembly, disassembly, diagnosis, repair, tuning for 305ci (LG3) and 327ci (L48/L82) V8 engines.
Fuel System:
Carburetor (e.g., Rochester Quadrajet, Edelbrock) overhaul, adjustment, fuel pump, fuel lines, and emissions control systems.
Cooling System:
Radiator, water pump, thermostat, hoses, fan, and cooling system diagnostics.
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, gauges, switches, and accessories.
Drivetrain Transmission:
Manual and automatic transmission overhaul, clutch service, driveshaft, differential, and axle repairs.
Brake System:
Front disc brakes, rear disc brakes, brake system diagnostics, hydraulic components, and parking brake.
Suspension Steering:
Independent front suspension, rear leaf spring suspension, shock absorbers, ball joints, steering gear, and alignment specifications.
Body Chassis:
Frame construction, body panel repairs, doors, windows, interior trim, and weatherstripping.
HVAC System:
Heating, ventilation, and air conditioning (HVAC) system diagnosis and repair (if applicable).
Ignition System:
Distributor, ignition coil, spark plugs, points (if applicable), timing, and electronic ignition systems.
Routine Maintenance:
Oil changes, filter replacements, tune-ups, fluid checks and replacements, lubrication.
Troubleshooting:
Diagnostic procedures for common drivability issues, electrical faults, and mechanical problems.
Component Rebuild:
Detailed step-by-step instructions for rebuilding engines, transmissions, carburetors, and brake systems.
Adjustments:
Carburetor adjustments, ignition timing, clutch adjustment, and parking brake adjustments.
Electrical Diagnostics:
Wiring diagram interpretation, testing of electrical components, and troubleshooting of electrical faults.
Depth Level:
Comprehensive, covering from basic maintenance to complete engine and drivetrain rebuilds, including advanced diagnostics.
Engine Size 305:
5.0 Liters (305 cubic inches)
Horsepower 305:
Approx. 155-180 hp (depending on specific calibration and emission controls)
Torque 305:
Approx. 245-260 lb-ft
Fuel System 305:
2-barrel or 4-barrel carburetor (e.g., Rochester 2GC or Quadrajet)
Engine Size 327 L48:
5.4 Liters (327 cubic inches)
Engine Type 327 L48:
OHV V8
Horsepower 327 L48:
Approx. 205-225 hp
Torque 327 L48:
Approx. 275-295 lb-ft
Fuel System 327 L48:
4-barrel carburetor (e.g., Rochester Quadrajet)
Engine Size 327 L82:
5.4 Liters (327 cubic inches)
Engine Type 327 L82:
OHV V8
Horsepower 327 L82:
Approx. 225-250 hp (higher compression, more aggressive camshaft)
Torque 327 L82:
Approx. 285-305 lb-ft
Fuel System 327 L82:
4-barrel carburetor (e.g., Rochester Quadrajet)
Compression Ratio L82:
Typically higher (e.g., 8.5:1 or 9:1) compared to L48
Camshaft L82:
More aggressive camshaft profile for improved performance
Standard Transmission:
3-speed Turbo Hydra-Matic Automatic
Optional Transmission:
4-speed Manual Transmission (e.g., Muncie M20, M21, or Saginaw)
Transmission Fluid Automatic:
Dexron III (or equivalent)
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., SAE 80W-90)
Oil Change Interval:
Every 3,000 miles or 3 months (typical for this era, modern recommendations may vary based on oil quality).
Service Intervals Filters
Oil Filter Replacement:
Replace with oil change.
Air Filter Replacement:
Inspect every 6,000 miles; replace as needed.
Transmission Fluid Change:
Automatic: Every 24,000 miles or 24 months. Manual: Check and top off as needed, change every 50,000 miles.
Coolant Change:
Every 24,000 miles or 24 months.
Fluid Specifications Engine Oil
Engine Oil Type:
API SF/CD or SG, SAE 10W-30 or 10W-40 recommended. Consider a high-zinc content oil for flat-tappet camshaft protection.
Engine Oil Capacity:
5 quarts (with filter) for most V8 engines.
Fluid Specifications Coolant
Coolant Type:
Ethylene Glycol based (50/50 mix with distilled water)
Common Issues:
Carburetor tuning and adjustment, vacuum leaks, overheating due to radiator efficiency, aging electrical components, interior wear and tear (seat foam, dash cracks), fiberglass body stress cracks.
Chassis Corrosion:
While primarily fiberglass, frame and suspension components can be susceptible to rust, especially in areas with road salt.
Oil Filter Part Example:
AC-Delco PF2 (common OEM replacement for this era)
Chevrolet Heritage:
Chevrolet, established in 1911, is renowned for its wide range of vehicles from economy cars to performance sports cars and trucks.
Corvette C3 Generation:
The C3 generation (1968-1982) is characterized by its groundbreaking 'Mako Shark' styling, evolving through the 70s with changes in engines, transmissions, and emissions controls.
1979 Updates:
Minor styling updates including redesigned interior, new seats, and optional power sport mirrors. Introduction of the CE 'Collector's Edition' for 1978, but 1979 was a standard model year.
Production Location:
Bowling Green, Kentucky, USA (moved from St. Louis, Missouri in 1981)
1979 Production Volume:
53,807 units (highest production year for the C3 generation)