More About the 1990 Corvette
1990 Corvette
To learn more about the ZR-1 Corvette, click here.
Body Specs |
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| Wheelbase: | 96.2 inches |
| Overhang (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 |
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Ground Clearance
Differential to Ground: |
6.8 inches |
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Ground Clearance
Front Bumper to Ground: |
4.9 inches |
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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 6th 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 |
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Maximum Uphill Speed
(Wide Open Throttle): |
1 > 2: 43 MPH
2 > 3: 79 MPH 3 > 4: 116 MPH |
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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 |
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Turning Diameters
Outside Front: |
41.3 feet (Wall to Wall)
40.0 feet (Curb to Curb) |
| Steering Wheel Diameter: | 14.5 inches |
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| 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 |
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| Model 1YY07 2-Door Hatchback Coupe : |
Curb Mass
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| Model 1YY67 2-Door Convertible: |
Curb Mass
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| Model 1YZ07 2-Door Hatchback Coupe (ZR1): |
Curb Mass
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* 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. |
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Removeble Plastic Roof Panel
(RPO CC3): |
-3.1 lb.
(-0.9 lb. Front; -2.2 lb. Rear) |
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Electric Defogger System
Rear Window and Side Mirror (RPO Z6A): |
+0.8 lb.
(+0.4 lb. Front; +0.4 lb. Rear) |
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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) |
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Custom Adjustable Seats
(RPO AQ9): |
+13.5 lb.
(+6.2 lb. Front; +7.3 lb. Rear) |
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Automatic Air Conditioning
(RPO C68): |
+2.2 lb. |
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Leather Seat Trim
(RPO AR9): |
+3.5 lb.
(+1.3 lb. Front; +2.2 lb. Rear) |
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Heavy Duty Cooling
(RPO V08): |
+10.2 lb.
(+12.8 lb. Front; -2.6 lb. Rear) |
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| 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 |
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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 |
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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 |
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Ignition System |
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Spark Plug
(Standard L98 Engine): |
FR5LS
Make: AC |
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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. |
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Brakes |
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| 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 |
| 24S | Removable Roof Panel, blue tint (coupe) | 7,852 (33.21%) | $615.00 |
| 64S | Removable Roof Panel, bronze tint (coupe) | 4,340 (18.35%) | $615.00 |
| AC1 | Power Passenger Seat | 20,419 (86.35%) | $270.00 |
| AC3 | Power Driver Seat | 23,109 (97.73%) | $270.00 |
| AQ9 | Sports Seats, leather | 11,457 (48.45%) | $1,050.00 |
| AR9 | Base Seats, leather | 11,649 (49.26%) | $425.00 |
| B2K | Callaway Twin Turbo; installed by Callaway, sold and warranted by GM. | 58 (0.25%) | $26,895.00 |
| C2L | Dual Removable Roof Panels (coupe) | 6,422 (27.16%) | $915.00 |
| C68 | Electronic Air Conditioning Control | 22,497 (95.14%) | $180.00 |
| CC2 | Auxiliary Hardtop (convertible) | 2,371 (10.03%) | $1,995.00 |
| FX3 | Selective Ride and Handling, electronic | 7,576 (32.04%) | $1,695.00 |
| G92 | Performance Axle Ratio. Coupes with 3.07:1 or 3.33:1 rear axle ratios were rated at 245 hp. | 9,362 (39.59%) | $22.00 |
| K05 | Engine Block Heater | 1,585 (6.70%) | $20.00 |
| KC4 | Engine Oil Cooler | 16,221 (68.60%) | $110.00 |
| MN6 | 6-Speed Manual Transmission | 8,101 (34.26%) | n/a |
| NN5 | California Emission Requirements | 4,035 (17.06%) | $100.00 |
| U1F | Stereo System with CD, Delco-Bose | 15,716 (66.46%) | $1,219.00 |
| UJ6 | Low Tire Pressure Warning Indicator | 8,432 (35.66%) | $325.00 |
| UU8 | Stereo System, Delco-Bose | 6,701 (28.34%) | $823.00 |
| V56 | Luggage Rack (convertible) | 1,284 (5.43%) | $140.00 |
| Z51 | Performance Handling Package (coupe) | 5,446 (23.03%) | $460.00 |
| ZR1 | Special Performance Package (coupe) | 3,049 (12.89%) | $27,016.00 |
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Total Production:
23,646
Notes: Base Corvette Coupe with 350 cu. in. 240 hp engine and four speed automatic transmission: $31,979.00. |
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Colors
| Code | Exterior | Quantity | Interior | Soft Top | |
| 10 | White | 4,872 (20.60%) | Blue / Black / Gray / Red / Saddle | Black / Saddle / White | |
| 25 | Steel Blue Metallic | 813 (3.44%) | Blue / Black | Black / White | |
| 41 | Black | 4,759 (20.13%) | Blue / Black / Gray / Red | Black / White | |
| 42 | Turquoise Metallic | 589 (2.49%) | Black / Saddle | Black / Saddle | |
| 53 | Competition Yellow | 278 (1.18%) | Black / Gray / Saddle | Black / Saddle / White | |
| 68 | Dark Red Metallic | 2,353 (9.95%) | Black / Saddle | Black / Saddle / White | |
| 80 | Quasar Blue Metallic | 474 (2.00%) | Black / Saddle | Black / Saddle | |
| 81 | Bright Red | 6,956 (29.42%) | Black / Gray / Red / Saddle | Black / Saddle / White | |
| 91 | Polo Green Metallic | 1,674 (7.08%) | Black / Saddle | Black / Saddle | |
| 96 | Charcoal Metallic | 878 (3.71%) | Black / Gray | Black / Saddle | |