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The 1989 Chevrolet Corvette

1989 White Corvette Coupe

The 1989 Chevrolet Corvette introduced minor changes, the biggest being the introduction of the six-speed manual transmission manufactured by ZF (Zahnradfabrik Friedrichshafen). The new transmission senses the position of the throttle and only allowed shifts from first to second if the throttle was high. If the throttle was minimal it would block second gear and only allow a shift to fourth. This was one of the ways that were used to get fuel economy higher. Also the standard wheel and tire this year was the P275/40ZR17 tire and 17" wheel setup that had been part of the Z51 and Z52 packages in 1988. The Z52 option was no longer available. A new "Selective Ride and Handling System" (RPO FX3) was only available with the manua transmissions and cars equipped with the RPO Z51 "Performance Handling" package. The SRC system offered three modes of driving: Tour, Sport and Performance. The low tire warning system that had intially been slated for 1987 was redesigned and was finally available as RPO UJ6 after being redesigned. A new simpler folding top for the convertibles was introduced as well as newly designed seats. A fiberglass auxillary top was available for the convertible for the first time since 1975. The sport seats were only available in cars optioned with Z51 because of weight and fuel economy concerns. 84 Corvette ZR-1 "King of the Hill" cars were built for evaluation and media preview although the car was delayed until the 1990 model year. Planning was also started this year on the new "C5" which was intended to be a 1993 model. Budgetary and GM executive decisions delayed the introduction of the C5 until 1998.

Production Options and Build Statistics


Total 1989 Corvettes Built - 26,412
Total 1989 Coupes - 16,663
Total 1989 Convertibles - 9,749

Coupe Serial Numbers: 1G1YY218xK5100001 to 1G1YY218xK5126328
Convertible Serial Numbers: 1G1YY318xK5100001 to 1G1YY318xK5126328

The "Vehicle Identification Number" (also VIN or serial number) is stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.
Position Character Description
1 1 US built
2 G General Motors product
3 1 Chevrolet Motor Division vehicle
4 Y Type of restraint system
5 Y Corvette
6 2 or 3 Body style number
2 = Two door hatchback style 07, 08, 77, or 87
3 = Two door convertible style 67
7 1 or 2 1=Manual seat belts
3=Manual belts with driver-inflatable restraint system
4=Automatic belts
8 8 5.7-liter Tuned-Port-Injection Chevrolet or GM of Canada V8
9   A check digit that calculates the characters in the serial number and gives it a single digit code and can be used to verify that the serial number is legitimate
10 K The model year K=1989
11 5 Bowling Green, Kentucky
12-17 100001 and up Production Sequence for Coupes and Convertibles

Engine Serial Number

1989 Corvette engines have the last six digits of the VIN stamped on the block after the engine number. The date code the engine was manufactured was also cast into the block. The engine serial number includes a production sequence number starting with 0001001 and one of the suffixes below.

Code Engine Horsepower Compression Transmission Fuel Supply Extra features
ZRA L98 350-cid 240/245-hp V-8 9.5:1 Manual Tuned Port Injection Engine Oil Cooler
ZRC L98 350-cid 240/245-hp V-8 9.5:1 Turbo Hydramatic Automatic Tuned Port Injection Engine Oil Cooler
ZRB L98 350-cid 240/245-hp V-8 9.5:1 Turbo Hydramatic Automatic Tuned Port Injection   
Callaway (RPO B2K) Chevrolet engine coding was replaced:
First two digits:  Model Year
Next three digits:  Callaway Sequence Number
Last four digits:  last four digits of vehicle identification number
245 horsepower engines were in coupes with the 3.07:1 rear end only. 240 horsepower engines were in all other coupes and all convertibles.

Production Options

RPO Description Price Production
AC1 Power Passenger Seat $240.00 20,578
AC3 Power Driver Seat $240 25,606
AQ9 Leather Sport Seats - U.S. $1,025 1,777
AQ9 Leather Sport Seats - Canada Export $1,025 1,174
AQ9 Leather Sport Seats - Europe Export $1,025 201
AQ9 Leather Sport Seats - Japan Export $1,025 110
AR9 Base Leather Seats $400 23,364
B2K Callaway Twin Turbo $25,895 69
B4P Radiator Boost Fan $75 20,281
CC2 Convertible Hardtop N/A 1,573
CC3 See-Thru Roof Panel N/A 12,790
C2L Dual Removable Roof Panels $915 5,274
24S Removable Roof Panel, blue tint $615 8,748
64S Removable Roof Panel, bronze tint $615 4,042
C68 Electronic Air Conditioning $150 24,675
DL8 Twin Remote Heated Mirrors (convert.) $35 6,582
D74 Illuminated Driver Vanity Mirror $58 17,414
FX3 Selective Ride and Handling System $1,695 1,573
G92 Performance Axle Ratio, 3.07:1 $22 10,211
K05 Engine Block Heater $20 2,182
KC4 Engine Oil Cooler $110 20,162
MD8 Automatic Transmission $0.00 22,299
MN6 6-spd, Manual Transmission $0.00 4,113
NN5 California Emission Requirements $100 4,501
UJ6 Low Tire Pressure Warning System $325 6,976
UU8 Delco Bose Stereo System $773 24,145
V01 Heavy Duty Radiator $40 20,888
V56 Luggage Rack (convertible) $140 616
Z51 Performance Handling Package (coupe) $575 2,224
ZR1 ZR1 Pilot/Prototype Vehicles N/A 84
AS8 Manual Restraint System N/A N/A
CF7 Non-Transparent Removable Roof Panel N/A N/A
C49 Electric Rear Defogger N/A N/A
C60 Manaul Control Air Conditioning N/A N/A
DL8 Twin Electric Remote Heated Sport Mirrors N/A N/A
D3X Speedometer Driven Gear (25513049) N/A N/A
D4D Speedometer Driven Gear (25513047) N/A N/A
D7B Speedometer Driven Gear (25513050) N/A N/A
D7C Speedometer Driven Gear (25513043) N/A N/A
D9A Speedometer Sensor (25007224) N/A N/A
D9B Speedometer Sensor (25007308) N/A N/A
FE1 Soft Ride Suspension N/A N/A
FE7 Heavy Duty Suspension N/A N/A
GH0 3.54 Rear Axle Ratio N/A N/A
GM1 2.59 Rear Axle Ratio N/A N/A
GU2 2.73 Rear Axle Ratio N/A N/A
GW4 3.31 Rear Axle Ratio N/A N/A
G44 3.07 Rear Axle Ratio N/A N/A
JL9 Anti-Lock Brakes (Front/Rear) N/A N/A
K68 105 Amp Generator N/A N/A
L98 5.7 Liter, V-8 Engine, TPI N/A N/A
MD8 4-Spd. Auto. Transmission, Turbo Hydramatic 700-R4 N/A N/A
na5 Leaded Fuel Emission System N/A N/A
NK4 Sport Leather Steering Wheel N/A N/A
QA1 17x9.5 Aluminum Styled Wheel N/A N/A
T93 Special Tail and Stop Lamps N/A N/A
UM6 Stereo Radio w/ Cassette, Electric Tuned N/A N/A
T85 Left Rule of Road Headlamps N/A N/A
UQ4 Bose Speaker System N/A N/A
U19 Instrument Cluster, Kilometers/Miles N/A N/A
U52 Cluster, Electronic N/A N/A
XAU Front Tire: P275/40ZR17 N/A N/A
YAU Rear Tire: P275/40ZR17 N/A N/A
Z6A Rear Window and Side Mirror Defogger System N/A N/A

Color Options for 1989

Interior options for exterior colors are suggested by Chevrolet. Other combinations could be ordered.
RPO Exterior Interior Soft Top Coupe Convertible Total Production
10U White B-BK-G-R-S B-S-W 3,220 2,206 5,426
20U Medium Blue Metallic B-BK BK-W 925 503 1,428
28U Dark Blue Metallic BK-S BK-S-W 1,233 698 1,931
31U Arctic Pearl N/A N/A 24 3 27
35U Yellow Buckskin N/A 8 0 8
41U Black BK-G-R-S BK-S-W 2,925 1,930 4,855
68U Dark Red Metallic BK-S BK-S-W 2,341 1,068 3,409
81U Bright Red BK-G-R-S BK-S-W 4,759 2,904 7,663
90U Gray Metallic BK-G BK-W 162 63 225
96U Charcoal Metallic BK-G-S BK-S-W 1,066 374 1,440
Color Codes: B=Blue, BK=Black, C=Cloth, G=Gray, L=Leather, R=Red, S=Saddle, W=White Codes 31U and 35U were not listed on the official color list but Chevrolet records indicate that 24 Arctic Pearl and 8 Yellow Corvettes were produced. The Gray Metallic (RPO 90U) was discontinued in November of 1988.

Interior Colors

RPO Color Production
19C Black Cloth 871 - Base Seat
60C Saddle Cloth 400 - Base Seat
192 Black Leather 852 - Sport Seat
8,186 - Base Seat
212 Blue Leather 55 - Sport Seat
1,428 - Base Seat
602 Saddle Leather 226 - Sport Seat
4,159 - Base Seat
732 Red Leather 425 - Sport Seat
6,714 - Base Seat
902 Gray Leather 219 - Sport Seat
2,877 - Base Seat

Convertible Top Color Codes

RPO Color Production
N/A Black N/A
N/A Saddle N/A
N/A White N/A

1989 Corvette Specifications

Mechanical Dimensions

Feature Coupe Convertible
Wheelbase 96.2 inches (2.443 m)
Overall length 176.5 inches (4.483 m)
Overall width 71.0 inches (1.803 m)
Overall height 46.7 inches (1.186 m)  
Front tread 59.6 inches (1.514 m)
Rear tread 60.4 inches (1.534 m)
Standard Wheel size 16 x 8.5 inches
Standard Tires P275/40VR-17 Goodyear Eagle GT (Z-rated)
Steering Power Rack and Pinion
Front Suspension Single fiberglass composite monoleaf transverse spring with unequal-length aluminum control arms and stabilizer bar
Rear Suspension Fully independent five-link system with transverse fiberglass single-leaf springs, aluminum upper/lower trailing links and strut-rod tie-rod assembly
Brakes Four-wheel power disc
Body Construction Unibody with partial front frame
Fuel tank 20 US Gal (16.7 Imp Gal) (76 liters)

Engine Specifications

Feature Base Engine RPO L98
Type V-8, 90-degree Overhead valve
Block Cast iron block and aluminum cylinder head
Displacement 350 cid (5.7 liters)
Bore & Stroke 4.00" x 3.48"
Compression Ratio 9.5:1
Brake Horsepower 240 @ 4000 (245-hp for hatchbacks using 3.07:1 rear axle due to use of low-restriction mufflers with this option combination only)
Torque 345 lb-ft @ 3200
Main Bearing Five
Valve Lifters Hydraulic
Fuel Supply Tuned-port induction (TPI) system
 


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