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2003 Corvette Convertible C5 Anniversary Edition
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2003 Corvette Specs

Body Specs

Model Code: 1YY07 (Coupe)
1YY67 (Convertible)
1YY37 (Z06)
Wheelbase: 104.5 inches
Overhang (Front): 38.8 inches
Overhang (Rear): 35.7 inches
Front Track: 62.0 inches
Rear Track: 62.1 inches
Length: 179.7 inches
Width: 73.6 inches
Height: 47.7 inches / 1211.5 mm (Coupe)
47.8 inches / 1214.7 mm (Convertible)
47.7 inches / 1211.5 mm (Z06)
Min. Ground Clearance: 3.7 inches
Ground Clearance:
Rear Bumper to Ground
9.2 inches
Head Room: Coupe: 37.9 inches / 963.0 mm
Convertible: 37.6 inches / 955.0 mm
Z06: 37.8 inches / 960 mm
Shoulder Room: 55.3 inches
Hip Room: 54.2 inches
Leg Room: 42.7 inches
Interior Passenger Volume: 51.4 Cubic Feet
Interior Trunk Volume: 25.0 Cubic Feet
Cargo Capacity: 24.8 Cubic Feet / 702 Liters (Coupe)
13.9 Cubic Feet / 394 Liters (Convertible)
13.3 Cubic Feet / 377.0 Liters (Z06)
Tire Size - Coupe, Convertible: P245/45ZR-17 (Front)
P275/40ZR-18 (Rear)
(Goodyear Eagle F1 GS, Extended Mobility)
Tire Size - Z06: P265/40ZR-17 (Front)
P295/35ZR-18 (Rear)
(Goodyear Eagle F1 SC)
Wheel Size - Coupe, Convertible: 17" x 8.5" (Front)
18" x 9.5" (Rear)
Cast Aluminum
Wheel Size - Z06: 17" x 9.5" (Front)
18" x 10.5" (Rear)
Forged Aluminum
Wheel Type: Cast Aluminum, Front and Rear
Recommended Tire Inflation: 30 PSI Front / Rear
Compact Spare Tire Inflation: 60 PSI
Manual Six Speed Transmission: 1st Gear 2.66:1
2nd Gear 1.78:1
3rd Gear 1.30:1
4th Gear 1.00:1
5th Gear .74:1
46th Gear .50:1
Reverse Gear 2.90:1
Manual Six Speed Transmission - Z06: 1st Gear 2.97:1
2nd Gear 2.07:1
3rd Gear 1.43:1
4th Gear 1.00:1
5th Gear .84:1
46th Gear .56:1
Reverse Gear 3.28:1
Turbo Hydra-Matic (Automatic) Transmission: 1st Gear 3.06:1
2nd Gear 1.63:1
3rd Gear 1.00:1
4th Gear 0.70:1
Reverse Gear 2.29:1
Axle Ratio
Automatic Transmission:
2.73:1
Axle Ratio
Manual Transmission:
3.42:1
Axle Ratio, Z06: 3.42:1
Final Drive Ratio
Automatic Transmission:
1.91:1 (2.19:1 Optional)
Axle Ratio
Manual Transmission:
1.71:1
Axle Ratio
Z06:
1.92:1
Turbo Hydra-Matic (Automatic) Type: Hydra-Matic Rear Mounted
4-Speed Automatic w/Overdrive (4L60-E)
Manual Transmission: Borg-Warner
6-Speed Manual (T56)
Standard Fuel Tank Capacity: 19.1 Gallons
Battery, Cold Cranking Amps: 500
EPA Fuel Economy: Manual Transmission (Coupe, Convertible)
17 MPG (City) / 26 MPG (Highway) / 20 MPG (Combined)
Automatic Transmission (Coupe, Convertible)
18 MPG (City) / 25 MPG (Highway)
Z06
19 MPG (City) / 28 MPG (Highway)
Maximum Cruising Range - Coupe, Convertible: 534.8 Miles (Manual Transmission) / 477.5 Miles (Automatic Transmission)
Maximum Cruising Range - Z06: 518 Miles (Manual Transmission) / 481 Miles (Automatic Transmission)
Steering Ratio: 16.1:1
Steering Turns, Lock to Lock: Coupe, Convertible - 2.66
Z06 - 2.46
Turning Diameter, Curb to Curb: Coupe, Convertible - 12.0 M / 39.4 ft.
Z06 - 12.9 M / 42.3 ft.
Turning Diameter, Wall to Wall: Coupe, Convertible - 12.3 M / 40.3 ft.
Z06 - 13.2 M / 43.3 ft.
Steering Wheel Diameter: 15 inches (380 mm)
Weight: 3,247 lbs. (Convertible)
3,172 lbs. (Coupe)


Engine Specs

Designation: LS1 (Coupe, Convertible)
LS6 (Z06)
Type: 90° V8, Pushrod, OHV (overhead Valve)
Displacement: 5.7 liters / 346 cubic inches
(Coupe, Convertible and Z06)
Bore / Stroke: 3.90 inches (99.06 mm.) / 3.62 inches (91.95 mm.)
Horsepower: 350 hp @ 5,200 RPM (Coupe, Convertible LS1)
405 hp @ 6,000 RPM (Z06 LS6)
Torque: 375 lbs. - ft. @ 4,400 RPM (Manual Transmission)
360 lbs. - ft. @ 4,000 RPM (Automatic Transmission)
Z06 Torque: 400 lbs. - ft. @ 4,800 RPM
Fuel Shutoff: 6,200 RPM (Coupe, Convertible LS1)
6,600 RPM (Z06 LS6)
Redline: 6,000 RPM (Coupe, Convertible LS1)
6,500 RPM (Z06 LS6)
Fuel Induction System: Sequential Fuel Injection
Fuel Requirement: 93 Octane
(LS1, LS6)
Redline (RPM): 6,000
Compression Ratio: 10.1:1
Compression Ratio - Z06: 10.5:1
Alternator: 50 Amps (idle), 120 Amps Maximum
Cylinder Head Material: Cast Aluminum
Cylinder Block Material: Cast Aluminum
Engine Oil Capacity: 6.5 Quarts, with filter
6.0 Quarts, without filter
Recommended Oil: 5W/30 Mobil 1 Synthetic or Equivalent
Recommended Oil Change Interval: 15,000 miles or One Year, under normal use
Engine Oil Filter: AC Tyoe PF44
Engine Coolant Capacity: 11.5 Quarts (Automatic Transmission)
11.8 Quarts (Manual Transmisson)
Radiator Core Material: Aluminum
Fill Cap Pressure Rating: 15 PSI
Fill Cap Pressure Test Rating (Max.): 20 PSI
Emission Control System:
  • Three Way Catalyst
  • Air Injection Reactor (AIR)
  • Positive Crankcase Ventilation (PCV)
Air Cleaner Filter: AC Tyoe A917C
Coolant Surge Cap: 15 PSI
GM P/N 10296465
Assembly Site: Romulus, MI


Engine Specs - Ignition System

Type: Coil-Near Plug
Coil Manufacturer: Nippondenso
Coil Model: 5-09970-456
Spark Plug Manufacturer: Delphi
Spark Plug Model: 41-952; Part No. 25171803
Spark Plug Thread: 14.0 mm
Spark Plug Tightening Torque: 7 - 15 lb. ft.
Spark Plug Gap: 1.5mm (0.060 inch)
Spark Plug Wire Resistance: 700 Ω / foot


Chassis Specs

Structure / Frame: Integral Perimeter Frame with Center Backbone / All Welded Steel Body
Suspension - Front: Independent SLA (Sort Long Arm) forged aluminum upper and pressure-cast aluminum lower control arms; forged aluminum steering knuckle, transverse leaf spring and steel stabilizer bar, spindle offset.
Suspension - Rear: Independent five link design with toe and camber adjustment, cast aluminum upper and lower control arms and knuckle, transverse monoleaf spring and steel stabilizer bar and tie rods, tubular u-jointed metal matrix composite driveshafts
Stabilizer Bar Diameter - Coupe, Convertible: Standard, F45 - 19.1 mm / .75 inch
Z51 - 21.7 mm / .85 inch
Stabilizer Bar Diameter, Z06: 21.7 mm / .85 inch
Stabilizer Bar Wall Thickness - Coupe, Convertible: Standard, F45 - 2.0 mm / .08 inch
Z51 - 3.0 mm / .12 inch
Stabilizer Bar Wall Thickness, Z06: Standard, F45 - 3.0 mm / .12 inch
Shock Absorber Diameter - Coupe, Convertible: Standard, F45 - 36.0 mm / 1.42 inch
Z51 - 36.0 mm / 1.42 inch
Shock Absorber Diameter - Z06: Standard, F45 - 45.0 mm / 1.42 inch
Front Travel: 90.0 mm full jounce, rebound
Rear Travel: 96 mm full jounce, rebound
Spring, Front: Monoleaf, Filamount Wound Glass - Epoxy Composite
1152 mm x 90 mm
Rate: FE1 - 77.2; FE45 - 79.8; FE3 - 92.2 n/M
Rate at Wheel: FE1 - 18.5; FE45 - 18.7; FE3 - 20.0 n/M
Spring, Rear: Monoleaf, Filamount Wound Glass - Epoxy Composite
1152 mm x 90 mm
Rate: FE1, FE45 - 103; FE3 - 92.2 n/M
Rate at Wheel: FE1, FE45 - 18.7; FE3 - 25.2 n/M


Performance Specs

Weight to Power Ratio
Automatic Transmission:
9.4 lbs.:hp
Weight to Power Ratio
Manual Transmission:
9.3 lbs.:hp
Weight to Power Ratio
Z06:
8.13 lbs.:hp
Frontal Area: N/A
Coefficient of Drag: 0.29 (Coupe)
0.32 Convertible
Specific Output: 60.53:1 (hp / liter)
0 - 60 MPH:
Manual Transmission
4.72 seconds
0 - 60 MPH:
Automatic Transmission
5.05 seconds
0 - 60 MPH:
Z06
4.0 seconds
Top Speed - Coupe, Convertible: 175 MPH / 281.6 KPH
Top Speed - Z06: 171 MPH / 275.2 KPH
1/4 Mile Acceleration - Coupe, Convertible: 13.22 Seconds
109 MPH
1/4 Mile Acceleration - Z06: 12.6 Seconds
114 MPH
Lateral Acceleration - Coupe, Convertible:: 0.93 g
Lateral Acceleration - Z06: 1.03 g

Brake Specs

Type: Power Assisted, Four Wheel Vented Disc with Four Wheel ABS
Total Swept Area: 263 sq. in. (Front)
158 sq. in. (Rear)
Effective Area: 22.3 sq. in. (Front)
8.7 sq. in. (Rear)
Rotor: Outer Working Diameter, Front: (325 mm.) 12.6 inches
Thickness, Front: (32 mm.) 1.26 inches
Outer Working Diameter, Rear: (305 mm.) 11.8 inches
Thickness, Rear: (26 mm.) 1.0 inches
Type and Material: Vented, Gray Iron Vented (Front)
HCE Iron Vented (Rear)
Anti-lock System: Four Wheel (Bosch ABS V)
Parking Brake: Internal
Parking Brake Drum Diameter: 190 mm
Parking Brake Lining Size: 400 mm (length) x 25 mm (width) x 3 mm (thickness)

2003 Corvette Options

RPO Description Production Price
1SB* Preferred Equipment Group-Sport Coupe 7,310 (20.61%) $1,200.00
1SB** Preferred Equipment Group-Convertible 6,643 (18.73%) $1,200.00
1SC*** 50th Anniversary Edition-Sport Coupe 4,085 (11.52%) $5,000.00
1SC**** 50th Anniversary Edition-Convertible 7,547 (21.28%) $5,000.00
79U Millennium Yellow with tint coat 3,900 (11.00%) $750.00
AAB Memory Package (Z06 hardtop) 8,241 (23.23%) $175.00
B84 Body Side Moldings 22,243 (62.71%) $150.00
C2L Dual Removable Roof Panels (coupe) 5,184 (14.62%) $1,200.00
CC3 Removable Roof Panel, blue tint (coupe) 3,150 (8.88%) $750.00
DD0 Electrochromic Mirrors (Z06 hardtop) 8,227 (23.19%) $120.00
F55 Magnetic Selective Ride Control (coupe and convertible) 14,992 (42.27%) $1,695.00
G92 Performance 3.15 Axle (automatic, coupe and convertible) 9,785 (27.59%) $395.00
MN6 6-Speed Manual Transmission (coupe and convertible) 8,590 (24.22%) $915.00
N73 Magnesium Wheels (coupe and convertible) 293 (0.83%) $1,500.00
QF5 Polished Aluminum Wheels (coupe and convertible) 10,290 (29.01%) $1,295.00
R8C Corvette Museum Delivery 787 (2.22%) $490.00
U1S Remote 12-Disc Changer (coupe and convertible) 15,979 (45.05%) $600.00
UL0 Delco Stereo Cassette (coupe and convertible) 4,664 (13.15%) n/a
V49 Front License Plate Frame 20,605 (58.09%) $15.00
Z51 Performance Handling Package (coupe and convertible) 2,592 (7.31%) $395.00

Total Production: 35,469
Coupe: 12,812 (36.12%)
Convertible: 14,022 (39.53%)
Hardtop: 8,635 (24.35%)

Notes: Base Corvette Coupe with 346 cu. in. 350 hp engine and four speed automatic transmission: $43,895.00.
Base Corvette Z06 Hardtop with 346 cu. in. 405 hp engine and six speed manual transmission: $51,155.00.

2003 Packages
RPO Description Contains Production Price
1SB

Convertible Equipment Group

heads-up display, power telescoping steering column, electrochromatic mirrors, memory package and twilight sentinel. 6,643 (18.73%) $1,200
1SC

Coupe Equipment Group

All 1SB items + Magnetic Selective Ride Control and 50th Anniversary Paint and Trim 4,085 (11.52%) $5,000
1SC

Convertible Equipment Group

All 1SB items + Magnetic Selective Ride Control and 50th Anniversary Paint and Trim 7,547 (21.28%) $5,000

Colors

Code Exterior Quantity Interior Soft Top
12 Quicksilver 2,387 (6.73%) Black / Light Gray / Red
21 Electron Blue 2,770 (7.81%) Black / Light Gray / Light Oak
40 Speedway White 679 (1.91%) Black / Light Gray / Light Oak / Red
41 Black 5,597 (15.78%) Black / Light Gray / Light Oak / Red
70 Torch Red 5,205 (14.67%) Black / Light Gray / Light Oak / Red
79 Millennium Yellow 3,900 (11.00%) Black
88 Medium Spiral Gray 3,299 (9.30%) Black / Light Gray / Light Oak / Red
94 Anniversary Red 11,632 (32.79%) Shale

Notes: Z06 interiors limited to black or black - red. 50th Anniversary Corvette interiors and convertible tops were shale.

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