Positioning:
Essential diagnostic and repair tool for owners and independent mechanics of the iconic 1975 Chevrolet Corvette.
Value Proposition:
Provides the exact information used by factory-trained technicians, ensuring accurate and efficient repairs, and preserving vehicle value.
Factory Authenticity:
Official factory documentation guarantees accuracy and completeness for all covered systems and components.
Powertrain:
Engine overhaul, diagnosis, emissions, cooling, lubrication, fuel, exhaust
Drivetrain:
Manual and automatic transmissions, clutch, driveshaft, rear axle assembly
Chassis:
Suspension (front and rear), steering, brakes (hydraulic, power assist), wheels, tires
Electrical:
Ignition system, charging system, starting system, lighting, instrumentation, wiring diagrams, body electrical components
Body:
Body and frame construction, exterior trim, interior trim, glass, doors, windows, seats
Maintenance:
Scheduled maintenance, oil changes, filter replacements, tune-ups, fluid level checks
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting charts, fault code interpretation
Repair:
Component removal and installation, assembly and disassembly, adjustment procedures, seal replacement
Diagnostics:
Electrical system diagnosis, engine performance diagnosis, braking system diagnosis
Depth:
Comprehensive: Covers basic maintenance to complete engine and transmission overhauls, including detailed diagnostic trees and specifications.
Base Engine 1975:
350 cubic inch V8 (L-48)
L-48 350 Hp:
165 HP (SAE Net)
L-48 350 Torque:
255 lb-ft @ 2800 RPM (SAE Net)
Ls-4 454 Hp:
195 HP (SAE Net) - Optional
Ls-4 454 Torque:
330 lb-ft @ 3400 RPM (SAE Net) - Optional
Fuel Delivery:
Carbureted (Rochester Quadrajet 4-barrel typically)
Emission Controls:
Catalytic converter, EGR (Exhaust Gas Recirculation), AIR (Air Injection Reactor) system
305:
Not offered in Corvette for 1975. Listed in product title but likely an error.
327:
Not offered in Corvette for 1975. Listed in product title but likely an error.
396:
Not offered in Corvette for 1975. Listed in product title but likely an error.
427:
Not offered in Corvette for 1975. Listed in product title but likely an error.
454:
LS-4 - Optional Big-Block V8
Crash Testing Data:
Data for this era may be limited; manual focuses on structural integrity and repair procedures.
Brakes:
Power-assisted front disc, rear disc brakes
Steering:
Power steering (standard)
Seat Belts:
Three-point retractable front seat belts
Rollover Protection:
Reinforced windshield header, potentially internal roll bar structure (verify specific model)
Radio Options:
AM/FM radio, AM/FM with 8-track tape player
Speakers:
Dual front speakers, optional rear speakers
Cruise Control:
Optional cruise control system
Connectivity Features:
None in the modern sense; focus is on mechanical and electrical system functionality.
Oil Change Interval:
Typically every 3,000-5,000 miles or 6 months (consult manual for specific recommendations based on usage).
Tune Up Interval:
Spark plugs, points (if applicable), and filter replacement often recommended every 12,000-24,000 miles.
Engine Oil Type:
API Service SG, SF, or SE. Viscosity: SAE 10W-40 or 10W-30 recommended for most climates (check manual for specific range).
Engine Oil Capacity:
5 quarts (with filter) for V8 engines (verify with dipstick).
Transmission Fluid Auto:
Dexron II Automatic Transmission Fluid
Transmission Fluid Manual:
GL-4 Gear Lubricant (e.g., SAE 80W-90)
Coolant Type:
Ethylene Glycol based coolant (50/50 mix with distilled water)
Carburetor Tuning:
Rochester Quadrajet carburetors can be finicky and require precise adjustment for optimal performance and emissions.
Fiber Optics System:
Early fiber optic systems for dashboard lighting can degrade over time.
Exhaust System:
Dual catalytic converters introduced in '75 can be prone to clogging or failure with age.
Vacuum Lines:
Extensive vacuum line systems for emissions control can develop leaks, impacting engine performance.
Chevrolet Legacy:
Chevrolet has a long history of performance vehicles, with the Corvette being its flagship sports car since 1953.
C3 Generation:
The 1975 Corvette is part of the C3 generation (1968-1982), known for its distinctive 'Mako Shark' styling.
1975 Updates:
Significant changes for 1975 included the elimination of catalytic converters in favor of a dual catalytic converter system, no more rear anti-roll bar, and increased use of polyurethane body mounts.
Production Volume 1975:
38,461 units