Engine:
305 TPI V8: Diagnosis, disassembly, assembly, overhaul, performance tuning, fuel system, ignition system, cooling system, lubrication system, emission control systems.
Transmission:
Manual (4-speed, 5-speed BorgWarner T-5) and Automatic (TH700-R4): Diagnosis, overhaul, repair, fluid specifications, shift linkage adjustment.
Drivetrain:
Rear axle ratios, limited-slip differential (optional), driveshaft, universal joints, CV joints (if applicable to specific axle configurations).
Suspension:
Front and rear suspension components: Control arms, ball joints, tie rods, bushings, springs, shock absorbers, sway bars, alignment specifications.
Brakes:
Front disc brakes (standard), rear drum brakes: Master cylinder, brake calipers, brake pads, brake shoes, parking brake system, hydraulic lines, bleeding procedures.
Steering:
Power steering system: Steering gear, power steering pump, hoses, steering column, linkage, alignment adjustments.
Electrical:
Comprehensive electrical system: Wiring diagrams, component locations, fuse box, relays, battery, alternator, starter, lighting, gauges, horn, power windows, power locks, radio, anti-theft systems (if equipped).
Fuel System:
Tuned Port Injection (T.P.I.): Fuel injectors, fuel pump, fuel pressure regulator, fuel rail, throttle body, ECM (Engine Control Module) inputs/outputs, sensor testing.
Emission Control:
EGR valve, catalytic converter, O2 sensors, evaporative emission control system (EVAP), air injection system.
Body:
Body panel removal/installation, door mechanisms, window regulators, hood, trunk, bumpers, weatherstripping, interior trim.
Maintenance:
Oil changes, filter replacements, tune-ups, spark plug replacement, fluid checks and flushes, belt and hose inspection/replacement, lubrication points, battery maintenance.
Troubleshooting:
Diagnostic procedures for engine performance issues, electrical faults, transmission problems, braking concerns, suspension noises, steering issues, using diagnostic charts and symptom guides.
Repair:
Step-by-step repair instructions for major components and systems, including engine rebuilding, transmission overhauling, brake caliper replacement, alternator replacement, suspension component replacement.
Diagnostics:
Troubleshooting guides, diagnostic flowcharts, and component testing procedures for the TPI system, including sensor readings and expected voltages/resistance.
Depth Level:
Comprehensive: Covers routine maintenance, detailed diagnostics, component-level repair, and full system overhauls. Suitable for professional mechanics and advanced DIY enthusiasts.
Engine Overhaul:
Includes detailed instructions for engine disassembly, inspection of critical components (pistons, rings, bearings, cylinder walls), crankshaft and camshaft specifications, and reassembly procedures with torque values.
Engine Type:
V8, Overhead Valve (OHV)
Displacement:
5.0 Liter (305 cubic inches)
Bore X Stroke:
3.736 in x 3.480 in (94.9 mm x 88.4 mm)
Compression Ratio:
8.8:1 or 9.5:1 (depending on specific variant)
Horsepower Hp:
Approximately 190-215 hp (depending on specific configuration and emissions controls)
Torque Lb Ft:
Approximately 270-290 lb-ft (depending on specific configuration)
Fuel Delivery:
Electronic Fuel Injection (EFI) - Tuned Port Injection (T.P.I.)
Throttle Body:
Dual throttle body design (typical for TPI)
Fuel Pressure:
Typically 30-45 psi
Octane Rating:
87 (Regular) or 89 (Mid-grade) recommended, depending on engine tuning and compression.
Ignition Type:
Electronic Spark Control (ESC) with knock sensor, distributor-based.
ECM Type:
GM ECM (e.g., 1227165 or similar).
Oil Change Interval:
Every 3,000 - 5,000 miles or 3-6 months, depending on driving conditions and oil type used.
Transmission Fluid Change Interval:
Every 24,000 - 36,000 miles or 2-3 years for automatic transmissions; manual transmissions vary.
Coolant Flush Interval:
Every 30,000 miles or 2 years.
Spark Plug Replacement:
Every 30,000 - 60,000 miles, depending on spark plug type (copper vs. platinum).
Engine Oil Type:
SAE 5W-30 or 10W-30 (API Service SG or higher recommended)
Engine Oil Capacity:
Approximately 5 quarts (4.7 Liters) with filter change.
Coolant Type:
Ethylene Glycol based antifreeze (Green) meeting GM specification.
Brake Fluid Type:
DOT 3 (or DOT 4) glycol-based brake fluid.
Tpi Common Problems:
Leaky intake manifold gaskets, failing fuel pressure regulators, worn fuel injectors, faulty coolant temperature sensors, corroded sensor connectors, ECM issues.
Ignition System Issues:
Weak spark from aging ignition coils, worn distributor caps and rotors, faulty ESC sensors.
Chassis And Suspension:
Worn ball joints and tie rod ends, deteriorated rubber bushings, sagging front springs, aging shock absorbers.
Electrical Gremlins:
Corroded grounds, failing headlight switches, worn window regulator motors, brittle wiring insulation.
Chevrolet Performance Legacy:
Chevrolet has a long-standing history in performance vehicles, particularly with the Camaro and Corvette lines, establishing a reputation for V8 power and sporty aesthetics.
Third Gen Camaro Context:
The third generation (1982-1992) represented a significant departure from earlier Camaros, with a more modern, aerodynamic design, lighter weight, and improved handling. The introduction of TPI marked a technological leap in powertrain management.
Manufacturing Location:
General Motors Van Nuys, California assembly plant.
Key Production Year Features:
1985 saw the widespread adoption and refinement of the TPI system across various engine options, enhancing performance and efficiency.
