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1990 Chevrolet Corvette ZR-1 in Bright Red
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1990 Corvette Specs

Body Specs

Wheelbase 96.2 inches
Overhand (Front) 40.5 inches
Overhang (Rear) 39.7 inches
Front Track 59.6 inches
Rear Track 60.4 inches
Length 176.5 inches
ZR-1: 177.4 inches
Width 71.0 inches
ZR-1: 73.291 inches
Ground Clearance
Differential to Ground
6.8 inches
Ground Clearance
Front Bumper to Ground
4.9 inches
Ground Clearance
Rear Bumper to Ground
13.0 inches
Minimum Ground Clearance 4.7 inches
(Measured at Catalytic Converter)
Overall Height 46.7 inches (Coupe)
46.7 inches (Convertible)
46.8 inches (Zr-1)
Rocker Panel to Ground (Front) 6.9 inches
Rocker Panel to Ground (Rear) 6.9 inches
Cargo Capacity 100 lbs. / (Coupe and Convertible)
6.6 cubic feet (Convertible)
Liftover Height: 35.5 Inches (Coupe)
Cowl Height 33.4 inches
Effective Head Room 36.5 inches
Shoulder Room 53.8 inches
Hip Room 49.3 inches
Tire Size P275/40ZR17 B/W
(Goodyear Eagle 40ZR, Unidirectional)
ZR-1 (Rear)
P315/35ZR17
Wheel Size 17" x 9.5" (Front and Rear)
With Z51 Performance Handling Package
Front / Rear: 17" x 9.5"
ZR-1 Rear: 17" x 11.0"
Recommended Tire Inflation 35 PSI Front / Rear
Manual Six Speed Transmission 1st Gear 2.68:1
2nd Gear 1.80:1
3rd Gear 1.29:1
4th Gear 1.00:1
5th Gear .75:1
46th Gear .50:1
Reverse Gear 2.50:1
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
Turbo Hydra-Matic (Automatic) Transmission
Lubricant
Dextron II
8.0 Pints
Maximum Uphill Speed
(Wide Open Throttle)
1 > 2: 43 MPH
2 > 3: 79 MPH
3 > 4: 116 MPH
Manual Transmission
Lubricant Type
5W-30 Texaco Code 1650 TL11408A, GM 9985535
2.1 Liters
Axle Ratio 3.07:1, 3.33:1 (Manual Transmission)
2.59:1, 3.07:1 (Automatic Transmission)
Standard Fuel Tank Capacity 20 Gallons
Steering Ratio 13.0:1
Turning Diameters
Outside Front
41.3 feet (Wall to Wall)
40.0 feet (Curb to Curb)
Steering Wheel Diameter 14.5 inches


EPA Fuel Economy

Twin Turbo Manual City: 13
Highway: 20
Combined: 15
Manual City: 15
Highway: 23
Combined: 17
Automatic City: 15
Highway: 22
Combined: 17
Manual City: 15
Highway: 23
Combined: 18


Weight

Model 1YY07 2-Door Hatchback Coupe Curb Mass
Front: 1,641 lb.
Rear: 1,614 lb.
Total: 3,255 lb.
ETWC*: 3,625 lb. (Manual Transmission
ETWC*: 3,625 lb. (Automatic Transmission
Model 1YY67 2-Door Convertible Curb Mass
Front: 1,665 lb.
Rear: 1,636 lb.
Total: 3,301 lb.
ETWC*: 3,625 lb.
Model 1YZ07 2-Door Hatchback Coupe (ZR1) Curb Mass
Front: 1,750 lb.
Rear: 1,729 lb.
Total: 3,479 lb.
ETWC*: 3,750 lb.
* Equivalent Test Weight Class - US Environmental Protection Agency emission certifications are based on ETWCs shown.
Curb Weight: The calculated weight of a vehicle with standard equipment, only as designed with the additional load of oils, lube, coolant and fuel filled to capacity.
Shipping Weight: Same as base curb weight except only 3 gallons of gasoline.
Manual transmission weights shown; automatic transmission no cost option.

Weight Differentials
Removeble Plastic Roof Panel
(RPO CC3)
-3.1 lb.
(-0.9 lb. Front; -2.2 lb. Rear)
Electric Defogger System
Rear Window and Side Mirror
(RPO Z6A)
+0.8 lb.
(+0.4 lb. Front; +0.4 lb. Rear)
Performance Handling Package
(RPO Z51)
+9.5 lb.
(+4.2 lb. Front; +5.3 lb. Rear)
Delco-Bose
Premium Audio System
(RPO UU8)
+9.7 lb.
(+3.3 lb. Front; +6.4 lb. Rear)
Radio Delete (RPO UL5) -11.0 lb.
(-5.3 lb. Front; -5.7 lb. Rear)
Custom Adjustable Seats
(RPO AQ9)
+13.5 lb.
(+6.2 lb. Front; +7.3 lb. Rear)
Automatic Air Conditioning
(RPO C68)
+2.2 lb.
Leather Seat Trim
(RPO AR9)
+3.5 lb.
(+1.3 lb. Front; +2.2 lb. Rear)
Heavy Duty Cooling
(RPO V08)
+10.2 lb.
(+12.8 lb. Front; -2.6 lb. Rear)


Engine Specs

Type: 90° V8 (LT5: DOHC 32-Valve)
Bore / Stroke: 4.00" / 3.48"
LT-5: 3.90" x 3.66"
Engine Weight: ZR-1 LT5 596 lb.
Standard L98: 557 lb.
Fuel Requirement: 91-Octane Rating Unleaded Gasoline
(L98, ZR-1 Engines)
Compression Ratio: L98: 9.5:1
LT5 (ZR-1): 11.0:1
Cylinder Head Material: Aluminum
Cylinder Block Material: L98: Cast Alloy Iron
LT5 (ZR-1): Aluminum
Oil Pump Type: Gear
Cooling System Capacity 14.65 Quarts (Manual Transmission)
14.51 Quarts (Automatic Transmission)
16.7 Quarts (ZR-1)
Battery 12 volt - 630 Cold Cranking Amps (CCA)
54 Amp-hours
Alternator Delco-Remy
105 Amps

Fuel System
Type Electronic Fuel Injection - Tuned Port Injection (TPI)
(L98 and LT5 Engines)
Fuel Pump Electric, Dual Turbine - In Fuel Tank
Point of Injection Fuel Injectors at Inlet Ports
Flow Pulse

Horsepower
ZR-1 Engine LT5 (350 cubic inch) 375 hp @ 5,800 RPM;
Torque: 370 lb-ft @ 4,800 RPM
Axle Ratio: 3.45:1
Standard Engine L98 (350 cubic inch) Manual Transmission: 250 hp @ 4,400 RPM;
Torque: 350 lb-ft @ 3,200 RPM
Axle Ratio: 3.33:1
Automatic Transmission: 245 hp @ 4,000 RPM;
Torque: 345 lb-ft @ 3,200 RPM
Axle Ratio: 2.50:1
Automatic Transmission: 250 hp @ 4,400 RPM;
Torque: 350 lb-ft @ 3,200 RPM
Axle Ratio: 3.07:1
Automatic Transmission: 245 hp @ 4,000 RPM;
Torque: 345 lb-ft @ 3,200 RPM
Axle Ratio: 2.73:1

Ignition System
Spark Plug
(Standard L98 Engine)
FR5LS
Make: AC
Spark Plug
(ZR-1 LT5 Engine)
FR2LS
Make: AC
Spark Plug Thread M14 x 1.25
Spark Plug Gap .035 inch
Spark Plug Tightening Torque 18 - 22 lb. - ft.

Brakes
Type Hydraulic Power Brake Front and Rear Disc
Effective Area 32.4 Square Inches (209 Square cm.) (Front)
18.4 Square Inches (119 Square cm.) (Rear)
Gross Lining Area 33.0 Square Inches (213 Square cm.) (Front)
18.4 Square Inches (119 Square cm.) (Rear)
Swept Area 111.9 Square Inches (722 Square cm.) (Front)
91.3 Square Inches (589 Square cm.) (Rear)
Rotor Outer Working Diameter: (302 mm.) 9.9 inches
Inner Working Diameter:
7.3 Inches (222 mm.) (Front),
7.6 Inches (232 mm.) (Rear)
Type and Material: Vented, Gray Iron Vented (Front)
HCE Iron Vented (Rear)

1990 Corvette Options

RPO Description Production Price