The arrival of the 2003 Chevrolet Corvette represented the culmination of fifty years of evolution for General Motors flagship automobile. It had been during the spring of 1953 that the first Corvette had been unveiled at GM’s “Motorama”.
Read More: 2003 Chevrolet Corvette Research Center
2003 Corvette Specifications
2003 Corvette Main Specs
| MODEL: | 2003 Chevrolet Corvette |
| BODY STYLE: | Two-door Coupe, Convertible, Hard Top front engine, rear wheel drive |
| MANUFACTURING LOCATION: | Bowling Green, Kentucky |
| VEHICLE NUMBERS (VIN): | 1G1YY22G535100001 – 1G1YY22G235135469 |
| VIN SUFFIX: | ZFA: 346 CUBIC INCH, 350 HP, AUTOMATIC TRANS ZFC: 346 CUBIC INCH, 350 HP, MANUAL TRANS ZFB: 346 CUBIC INCH, 405 HP, MANUAL TRANS |
| ENGINE BLOCK NUMBER: | 12561168: 346 CUBIC INCH, 405 HORSEPOWER |
| HEAD NUMBER: | 12564241: 346 CUBIC INCH, 350 HORSEPOWER 12564243: 346 CUBIC INCH, 405 HORSEPOWER |
2003 Corvette Construction
-
- Full-length perimeter frame with hydroformed frame side rails manufactured out of seamless tubular steel joined by two welded-on bumper beams.
- The cockpit is framed by a welded cage of aluminum castings and extrusions.
- Instrument panel cross member includes a magnesium steering column support and magnesium-core steering wheel.
- Closed Drivetrain tunnel
- Twin mid-ship mounted composite fuel tanks
- Aircraft-type composite floor with a balsa wood core
- One-piece Cast Aluminum front and rear chassis cross members
- Body panels are constructed of flexible sheet-molded compound (SMC)
- Quarter panels are bolted to the structure
2003 Corvette Powertrain Specifications
Engine Spec
| Engine | ||
| Order Code: | LS1 | LS6 |
|
Engine Manufacturing:
|
St. Catherines, Ontario | St. Catherines, OntariO |
| Type: | 90 degree V, Front Longitudinal, OHV Pushrod | 90 degree V, Front Longitudinal, OHV Pushrod |
| Number of Cylinders | 8 | 8 |
| Displacement (liters/cc/cid): | 5.7 / 5,665 / 346 | 5.7 / 5,665 / 346 |
| Fuel induction system: | Sequential Fuel Injection | Sequential Fuel Injection |
| Horsepower (SAE net @ rpm): | 350 @ 5,600 | 405 @ 6,000 |
| Torque (lbs.-ft. @ rpm) (manual): | 375 @ 4,400 | 400 @ 4,800 |
| Torque (lbs.-ft. @ rpm) (auto): | 360 @ 4,000 | N/A |
| Valves per cylinder: | 2 | 2 |
| Bore x stroke (mm.): | 99.0 x 92.0 | 99.0 x 92.0 |
| Redline (rpm): | 6,000 rpm | 6,500 rpm |
| Compression ratio: | 10.1:1 | 10.5:1 |
|
Firing Order:
|
1-8-7-2-6-5-4-3 | 1-8-7-2-6-5-4-3 |
|
Cylinder No. System (Left):
|
1-3-5-7 | 1-3-5-7 |
| Cylinder No. System (Right): | 2-4-6-8 | 2-4-6-8 |
|
Fuel Required:
|
Unleaded | Unleaded |
|
Fuel Antiknock index (R+M) +2
|
87 | 87 |
|
Recommended Fuel:
|
Premium Unleaded | Premium Unleaded |
|
EPA – Automatic Transmission
|
||
| – City: | 18 mpg | N/A |
|
– Highway:
|
25 mpg | N/A |
| – Max cruising range | 481 miles / 774 km | N/A |
| EPA – Manual Transmission | ||
| – City: | 19 mpg | 19 mpg |
| – Highway: | 28 mpg | 28 mpg |
| – Max cruising range | 518 miles / 834 km | 518 miles / 834 km |
Engine Materials
| Engine Materials | ||
| Engine Materials | LS1 | LS6 |
| Block: | Cast Aluminum | Cast Aluminum |
| Cylinder Heads: | Cast Aluminum | Cast Aluminum |
| Intake Manifold: | Composite | Composite |
| Exhaust Manifold: | Cast Nodular Iron | Cast Nodular Iron |
| Crankshaft: | Cast Nodular Iron w/Rolled Fillets | Cast Nodular Iron w/Rolled Fillets |
| Camshaft: | Hollow Steel | Hollow Steel |
| Cam drive: | Chain | Chain |
Transmission (Automatic)
| Standard Transmission Spec | |
| Type: | Rear Wheel Drive |
| Order Code: | M30 |
| Model: | 4L60-E Hydra-Matic Rear-Mounted 4-Speed Automatic w/Overdrive |
| Gear Ratios | |
| 1st Gear: | 3.06:1 |
| 2nd Gear: | 1.63:1 |
| 3rd Gear: | 1.00:1 |
| 4th Gear: | 0.70:1 |
| Reverse: | 2.29:1 |
| Axle Ratio: | 2.73:1 (3.15 optional) |
| Final Drive Ratio: | 1.90:1 (2.19 optional) |
Transmission (Manual)
| Optional Manual Spec | |
| Type: | Rear Wheel Drive |
| Order Code: | MN6 |
| Model: | T56 Borg-Warner Rear-Mounted 6-Speed Manual |
| Gear Ratios | |
| 1st Gear: | 2.66:1 |
| 2nd Gear: | 1.78:1 |
| 3rd Gear: | 1.30:1 |
| 4th Gear: | 1.00:1 |
| 5th Gear: | 0.74:1 |
| 6th Gear: | 0.50:1 |
| Reverse: | 2.90:1 |
| Axle Ratio: | 3.42:1 |
| Final Drive Ratio: | 1.71:1 |
Transmission (Manual Z06)
| Optional Manual Spec | |
| Type: | Rear Wheel Drive |
| Order Code: | M12 |
| Model: | – |
| Gear Ratios | |
| 1st Gear: | 2.97:1 |
| 2nd Gear: | 2.07:1 |
| 3rd Gear: | 1.43:1 |
| 4th Gear: | 1.00:1 |
| 5th Gear: | 0.84:1 |
| 6th Gear: | 0.56:1 |
| Reverse: | 3.28:1 |
| Axle Ratio: | 3.42:1 |
| Final Drive Ratio: | 1.91:1 |
2003 Corvette Wheels, Suspension & Brakes
Suspension
| Front Suspension | |
| Front Suspension | Type: Short/Long arm (SLA) double wishboneFeatures: Forged aluminum Steering Knuckle Cast aluminum upper control arm Transverse-mounted composite leaf spring Monotube shock absorbers Individual wheel height adjusters F45 – includes Selective Real Time Damping control FE4 – has a larger front stabilizer bar |
| Stabilizer bar diameter: | Base (19mm), F45 (19mm), Z51 (21.7mm) |
| Shock absorber diameter: | Base (36mm), F45 (28mm), Z51 (45mm) |
| Rear Suspension | |
| Rear Suspension | Type: Short/Long arm (SLA) double wishboneFeatures: Cast aluminum upper control arm Transverse-mounted composite leaf spring Monotube shock absorbers Lubed-for-life ball joints Individual wheel height adjusters F45 – includes Selective Real Time Damping control FE4 – has a stiffer rear leaf spring FE4 – has new rear shock valving |
| Stabilizer bar diameter: | Base (19mm), F45 (19mm), Z51 (21.7mm) |
| Shock absorber diameter: | Base (36mm), F45 (28mm), Z51 (45mm) |
Brakes
| Type | Power-Assisted, Four-Wheel Vented Disc |
| Anti-lock system (Standard) | Four Wheel (Bosch ABS S.3) |
| Rotor diameter x thickness, front (mm): | 12.6 x 1.26 |
| Rotor diameter x thickness, rear (mm): | 11.8 x 1.00 |
| Swept area, fr. / rr. (sq. in.): | 263 / 158 |
Wheels & Tires
| Wheels & Tires | Coupe/Convertible | Z06 |
| Wheels, size: | 17 x 8.5 (front), 18″ x 9.5″ (rear) | 17 x 9.5 (front), 18 x 10.5 (rear) |
| Wheel Type (Standard) | Cast Aluminum | Cast Spun Aluminum |
| Wheel Type (Optional) | Forged High-Polish Aluminum | – |
| Wheel Type (Optional) | Magnesium (bronze tone) | – |
| Number of studs: | 5 | 5 |
| Circle diameter, (inches): | N/A | N/A |
| Spare: | N/A | N/A |
| Tire, size: | P245/45ZR-17 (front), P275/40ZR-18 (rear) | P265/40ZR-17 (front), P295/35ZR-18 (rear) |
| Tires, manufacturer / type: | Extended-Mobility Eagle F1 GS High-Performance | Goodyear Eagle F1 SC (GM Tire Inflator Kit Included) |
Steering
| Steering | |
| Type: | Power-Assisted, Speed-Sensitive, Magnetic, Variable-Effort (MagnaSteer) |
| Ratio: | 16.1:1 |
| Wheel diameter (in.): | 15.0 |
| Turns, Lock to Lock: | 2.66 (Z06 2.46) |
| Turning Diameter, curb-to-curb (ft.): | 39.4 (Z06 42.3) |
| Turning Diameter, wall-to-wall (ft.): | 40.3 (Z06 43.3) |
2003 Corvette Exterior Dimensions
Coupe Dimensions (Coupe)
Exterior Dimensions (Coupe)
| Exterior Dimensions | |
| Model | Coupe |
| Wheelbase | 104.5 Inches |
| Overall Length | 179.7 Inches |
| Total Body Width | 73.6 Inches |
| Overall Height | 47.7 Inches |
| Front Track Width | 62.0 Inches |
| Rear Track Width | 62.1 Inches |
| Ground Clearance | 3.7 Inches |
| Overhang, Front: | 38.8 Inches |
| Overhang, Rear: | 35.7 Inches |
| Trunk Liftover Height: | 36.7 Inches |
Interior Dimensions (Coupe)
| Interior Dimensions | |
| Model | Coupe |
| Headroom | 37.8 Inches |
| Shoulder Room | 55.3 Inches |
| Hip Room | 54.2 Inches |
| Leg Room | 42.7 Inches |
Convertible Dimensions (Convertible)
Exterior Dimensions (Convertible)
| Exterior Dimensions | |
| Model | Coupe |
| Wheelbase | 104.5 Inches |
| Overall Length | 179.7 Inches |
| Total Body Width | 73.6 Inches |
| Overall Height | 47.7 Inches |
| Front Track Width | 62.0 Inches |
| Rear Track Width | 62.1 Inches |
| Ground Clearance | 3.7 Inches |
| Overhang, Front: | 38.8 Inches |
| Overhang, Rear: | 35.7 Inches |
| Trunk Liftover Height: | 36.7 Inches |
Interior Dimensions (Convertible)
| Interior Dimensions | |
| Model | Coupe |
| Headroom | 37.8 Inches |
| Shoulder Room | 55.3 Inches |
| Hip Room | 54.2 Inches |
| Leg Room | 42.7 Inches |
Coupe Dimensions (Z06)
Exterior Dimensions (Z06)
| Exterior Dimensions | |
| Model | Coupe |
| Wheelbase | 104.5 Inches |
| Overall Length | 179.7 Inches |
| Total Body Width | 73.6 Inches |
| Overall Height | 47.7 Inches |
| Front Track Width | 62.0 Inches |
| Rear Track Width | 62.1 Inches |
| Ground Clearance | 3.7 Inches |
| Overhang, Front: | 38.8 Inches |
| Overhang, Rear: | 35.7 Inches |
| Trunk Liftover Height: | 36.7 Inches |
Interior Dimensions (Z06)
| Interior Dimensions | |
| Model | Coupe |
| Headroom | 37.8 Inches |
| Shoulder Room | 55.3 Inches |
| Hip Room | 54.2 Inches |
| Leg Room | 42.7 Inches |
Capacities
| Capacities | |||
| Model | Coupe | Convertible | Z06 |
| Passenger Capacity | 2 – Driver & Passenger | 2 – Driver & Passenger | 2 – Driver & Passenger |
| Curb Weight (Manual) | – | – | – |
| Curb Weight (Auto) | 3,246 lbs. | 3,248 lbs. | 3,118 |
| Interior Passenger Volume (cu.ft): | 51.4 Cubic Fee | N/A | 51.7 Cubic Fee |
| Interior Trunk Volume (cu. ft): | 24.8 Cubic Feet | 13.8 Cubic Feet (Top up), 11.1 (Top down) | 13.3 Cubic Feet |
| Fuel Capacity (GALLONS) | 18.5 gallons | 18.5 gallons | 18.5 gallons |
| Engine Oil Capacity (QTS) | 6.5 (with filter) | 6.5 (with filter) | 6.5 (with filter) |
| Coolant Capacity (QTS./LITERS) | 11.5 quarts, 11.8 w/ manual | 11.5 quarts, 11.8 w/ manual | 11.5 quarts, 11.8 w/ manual |
| Battery (CCA): | 600 Cold Cranking Amperes | 600 Cold Cranking Amperes | 600 Cold Cranking Amperes |
| Coefficient of Drag (cd): | 0.29 cd | 0.29 cd | 0.29 cd |
| Weight Dist. Front/Rear (%) | 51/49 | 51/49 | 53/47 |
2003 Corvette Performance Results
| PERFORMANCE RESULTS | Coupe | Convertible | Z06 |
| Weight-to-power ratio, auto. trans. (lbs:hp): | – | – | – |
| Weight-to-power ratio, man. trans. (lbs:hp): | – | – | – |
| Specific output (hp/liter): | 61.4 | 61.4 | 71.1 |
| 0-60 MPH, Manual Trans. (seconds): | 4.9 | 4.72 | 4.07 |
| 0-60 MPH, Auto Trans. (seconds): | – | – | – |
| Quarter Mile, Man. Trans. (seconds / mph): | 13.4/101.1 | 13.02/109.59 | – |
| Top Speed (mph): | – | – | – |
| Lateral Acceleration (g): | 0.89 | 0.88 | 1.03 |
