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2003 Corvette Performance & Specifications

Powertrain, Steering, Brakes, Dimensions, & Suspension

2003 COrvette

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)

2003 Corvette 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)

2003 Corvette 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)

2003 Corvette 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

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

2003 Corvette