Chevrolet Corvette Service Repair Manuals


1981 CORVETTE

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V.I.N. NUMBERS

Position Character Description
1 1 US built
2 G General Motors product
3 1 Chevrolet Motor Division vehicle
4 A Type of non-passive passenger restraint system
5 Y Corvette car line series
6 & 7 87 Body style number: two-door plainback special coupe
8 * Engine type where * is replaced by the following
  • 6 = L82 350-cid V8, 230-hp
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 B The model year where B = 1981
11 S or 5 S=St. Louis, MO and 5=Bowling Green, KY
12-17 100001 and up production sequence
Code Engine Horsepower Compression Transmission Fuel Supply Emission Control System
ZDA L81 350-cid 190-hp V-8 8.2:1 manual four-barrel carburetor  
ZDB L81 350-cid 190-hp V-8 8.2:1 automatic four-barrel carburetor California
ZDC L81 350-cid 190-hp V-8 8.2:1 manual four-barrel carburetor California
ZDD L81 350-cid 190-hp V-8 8.2:1 automatic four-barrel carburetor  
Color Cloth & Leather Upholstery Leather Upholstery
Charcoal 19C 192
Dark Blue 29C 292
Camel 64C 642
Dark Red 67C 672
Silver Gray   152
Medium Red   752

IDENTIFICATION

Model No. Body/Style No. Body Type Factory Price Shipping Weight Production Total
1Y Z87
2-dr. Sport Coupe - 2 passenger

2-dr. Sport Coupe - 2 passenger

$15,248 3179 40,606

ENGINE

Feature Standard Engine (RPO L81)
Type V-8, 90-degree Overhead valve
Block Cast iron block
Displacement 350 cid (5.7 liters)
Bore & Stroke 4.00 x 3.48"
Compression ratio 8.2:1
Brake horsepower 190 @ 4200
Torque 280 lb-ft @ 1600
Main bearing five
Valve lifters hydraulic
Fuel supply Rochester Quadrajet

TRANSMISSION

CHASSIS

Feature Coupe
Wheelbase 98 inches (2.489 m)
Overall length 185.2 inches (4.704 m)
Overall width 69.0 inches (1.753 m)
Overall height 48 inches (1.219 m)
Ground Clearance 4.5 inches (11.4 cm)
Front tread 58.7 inches (1.491 m)
Rear tread 59.5 inches (1.511 m)
Wheel size 15 x 8 inches
Tires P225/70R-15 SBR (steel-belted radial)
Positraction standard
Steering recirculating ball
Front suspension Independent, unequal-length control arms with ball joints, coil springs, and stabilizer bar
Rear suspension Independent, trailing link, transverse semi-elliptic leaf springs
Brakes Hydraulic, vented four wheel discs; 11.75-inch diameter, single calipers
Ignition HEI electronic
Body construction Separate fiberglass body and box-type ladder frame with cross-members
Fuel tank 24 US Gal (20 Imp Gal) (91 liters)

OPTIONS

RPO AU3 Power door locks $145
RPO A42 Power driver seat $183
RPO CC1 Removable glass roof panels $414
RPO C49 Rear window defogger $119
RPO DG7 Electric sport mirrors $117
RPO D84 Two-tone paint $399
RPO FE7 Gymkhana suspension $57
RPO F51 Heavy-duty shock absorbers $37
RPO G92 Performance axle ratio $20
RPO K35 Cruise control $155
RPO MM4 Four-speed manual transmission no cost option
RPO N90 Four aluminum wheels $428
RPO QGR P255/70R-15 Raised-white-letter steel-belted radial tires $72
RPO QXH P255/60R-15 Raised white-letter steel-belted radial tires $491.92
RPO UL5 Radio delete $118 credit
RPO UM4 AM-FM electronic tuning stereo radio with 8-track tape system $386
RPO UMS AM-FM electronic tuning stereo radio with 8-track tape and CB system $712
RPO UM6 AM-FM electronic tuning stereo radio with cassette $423
RPO UN5 AM-FM electronic tuning stereo radio with cassette and CB system $750
RPO U58 AM-FM stereo radio $95
RPO U75 Power antenna $55
RPO V54 Roof panel carrier $135
RPO YFS California emissions certification $46
RPO ZN1 Trailering package $110

HISTORICAL NOTES

1981 Corvette Notes

PHOTOS

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette Interior

1981 Corvette Interior

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette

1981 Corvette



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