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1989 Specs

More About the 1989 Corvette
Chevrolet Corvette Six Speed Manual Transmission

Chevrolet Corvette Six Speed Manual Transmission

CloseChevrolet Corvette Six Speed Manual Transmission

Body Specs

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
Width: Front Fender: 68.6 inches
Rear Fender: 70.0 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)
46.4 inches (Convertible)
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
Windshield Slope Angle: 64.7°
Effective Head Room: 36.4 inches
Shoulder Room: 54.1 inches
Hip Room: 49.3 inches
Tire Size: P275/40ZR17 B/W
(Goodyear Eagle VR50, Unidirectional)
With Z51 Performance Handling Package / Z52 Sport Handling Package
P275/40ZR17
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 2.678:1
2nd Gear 1.804:1
3rd Gear 1.305:1
4th Gear 1.00:1
5th Gear .751:1
6th Gear .499:1
Reverse Gear 2.495:1
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, 3.31:1 (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

Manual Coupe: City: 15
Highway: 23
Combined: 18
Automatic Coupe: City: 15
Highway: 23
Combined: 18
Manual Convertible: City: 15
Highway: 23
Combined: 18
Automatic Convertible: City: 15
Highway: 23
Combined: 18


Weight

Model 1YY07 Sport Coupe: Curb Mass with Four Speed Manual Transmission
Front: 1,621 lb.
Rear: 1,602 lb.
Total: 3,223 lb.
ETWC*: 3,500 lb. (Manual Transmission
ETWC*: 3,625 lb. (Automatic Transmission
Model 1YY67 Convertible: Curb Mass with Four Speed Manual Transmission
Front: 1,633 lb.
Rear: 1,630 lb.
Total: 3,263 lb.
ETWC*: 3,625 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 - OHV
Valve Location:: In Head
Bore / Stroke:: 4.00" / 3.48"
Fuel Requirement:: 91-Octane Rating Unleaded Gasoline
85 Octane rating may be used in certain high altitude areas specified in Owner's Manual. Gasohol of equivalent octane rating also may be used, provided it is blended of not more than 10% alcohol.
Compression Ratio:: 9.5:1
Cylinder Head Material:: Aluminum
Cylinder Block Material:: Cast Alloy Iron
Oil Pump Type:: Gear
Cooling System Capacity: 14.65 Quarts (Manual Transmission)
14.51 Quarts (Automatic Transmission)
Radiator Cap Relief Pressure: 18.0 PSI
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)
Fuel Pump: Electric, Dual Turbine - In Fuel Tank
Point of Injection: Fuel Injectors at Inlet Ports
Flow: Pulse

Horsepower
Standard Engine (350 cubic inch): 240 hp @ 4,000 RPM;
Torque: 335 lb-ft @ 3,200 RPM

Ignition System
Spark Plug: FR5LS
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 Cast Iron (Front)
Damped Iron (Rear)

1989 Corvette Options

RPO: Description Production:    Price
24S Removable Roof Panel, blue tint (coupe) 8,748 (33.12%) $615.00
64S Removable Roof Panel, bronze tint (coupe) 4,042 (15.30%) $615.00
AC1 Power Passenger Seat 20,578 (77.91%) $240.00
AC3 Power Driver Seat 25,606 (96.95%) $240.00
AQ9 Sports Seats, leather 1,777 (6.73%) $1,025.00
AR9 Base Seats, leather 23,364 (88.46%) $400.00
B2K Callaway Twin Turbo; installed by Callaway, sold and warranted by GM. 67 (0.25%) $25,895.00
B4P Radiator Boost Fan 20,281 (76.79%) $75.00
C2L Dual Removable Roof Panels (coupe) 5,274 (19.97%) $915.00
C68 Electronic Air Conditioning Control 24,675 (93.42%) $150.00
CC2 Auxiliary Hardtop (convertible) 1,573 (5.96%) $1,995.00
D74 Illuminated Driver Vanity Mirror 17,414 (65.93%) $58.00
FX3 Selective Ride and Handling, electronic 1,573 (5.96%) $1,695.00
G92 Performance Axle Ratio 10,211 (38.66%) $22.00
K05 Engine Block Heater 2,182 (8.26%) $20.00
KC4 Engine Oil Cooler 20,162 (76.34%) $110.00
MN6 6-Speed Manual Transmission 4,113 (15.57%) n/a
NN5 California Emission Requirements 4,501 (17.04%) $100.00
UJ6 Low Tire Pressure Warning Indicator 6,976 (26.41%) $325.00
UU8 Stereo System, Delco-Bose 24,145 (91.42%) $773.00
V01 Heavy-Duty Radiator 20,888 (79.09%) $40.00
V56 Luggage Rack (convertible) 616 (2.33%) $140.00
Z51 Performance Handling Package (coupe) 2,224 (8.42%) $575.00

Total Production: 26,412
Coupe: 16,663 (63.09%)
Convertible: 9,749 (36.91%)

Notes: Base Corvette Coupe with 350 cu. in. 245 hp engine and four speed automatic transmission: $31,545.00.
Base Corvette Convertible with 350 cu. in. 240 hp engine and four speed automatic transmission: $36,785.00.

Colors

Code Exterior Quantity Interior Soft Top
10 White 5,426 (20.54%) Blue / Black / Gray / Red / Saddle Black / Saddle / White
20 Medium Blue Metallic 1,428 (5.41%) Blue / Black Black / White
28 Dark Blue Metallic 1,931 (7.31%) Black / Saddle Black / Saddle / White
41 Black 4,855 (18.38%) Blue / Black / Gray / Red / Saddle Black / Saddle / White
68 Dark Blue Metallic 3,409 (12.91%) Black / Saddle Black / Saddle / White
81 Bright Red 7,663 (29.01%) Black / Gray / Red / Saddle Black / Saddle / White
90 Gray Metallic 225 (0.85%) Black / Gray Black / White
96 Charcoal Metallic 1,440 (5.45%) Black / Gray / Saddle Black / Saddle / White

Notes: Not all soft top / interior combinations were available.

1989 Corvette