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The 1980 Corvette

1980 Black Corvette Coupe

The 1980 Chevrolet Corvette was the first since 1974 to have more than one engine displacement. Unfortunately the new option was a 305 cubic inch destined for the California market to meet the stringent smog laws. This engine was required for California and was only available with the automatic transmission. The good news is that the '80 was 250 pounds lighter than the 1979. The hood and doors were made thinner saving weight. The tops decreased in density due to the use of microscopic beads in their construction. The rear differential housing and supports were manufactured from aluminum which also decreased weight. On the 350 cubic inch cars the intake manifold was made from aluminum. The California 305 ci engine got a stainless steel exhaust manifold. The front and rear spoilers from the '78 pace car were now molded into the front and rear bumper pieces and were standard. All '80 Vettes now had the 85 MPH speedometer. The Turbo-HydraMatic automatic transmissions recieved a lock-up torque converter which engaged at about 30 MPH. The manual transmissions got new gearing although it was only available with the base L48 engine. Only two storage bins were behind the seats, this had been three. Power windows, tilt-telescopic steering and air conditioning were all included in the base price. The base (non-California) engine lost 5 horsepower this year, the optional L82 engine gained 5 horsepower. The 1980 colors are also new, the "Corvette" colors were gone.

Production Options and Build Statistics

Total 1980 Corvettes Built - 40,614

Serial numbers: 1Z87xAS400001 through 1Z87xAS440614

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 Chevrolet Division
2 Z Corvette
3-4 87 Coupe
5 8 L48 350-cid V8, 190-hp
H California LG4 305-cid V8, 180-hp
6 L82 350-cid V8, 230-hp, Four-Barrel
6 A 1980
7 S Assembled in St. Louis, MO
8 to 13 400001 to 440614 production sequence

Engine Serial Number

1980 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 Emission Control System
ZCA LG4 305-cid 180-hp V-8 8.5:1 Automatic Four-Barrel Carburetor California
ZAM L48 350-cid 190-hp V-8 8.2:1 Manual Four-Barrel Carburetor ;
ZAK L48 350-cid 190-hp V-8 8.2:1 Automatic Four-Barrel Carburetor ;
ZBC L82 350-cid 230-hp V-8 9.0:1 Automatic Four-Barrel Carburetor ;

The body number plate is located on the engine side of the cowl. The Fisher Body Style Number identifies the model of Corvette.

80-1YZ37 - Corvette Coupe

The body number is the serial number of the body. The trim number represents the color of the interior, the paint color is the exterior paint color.

Production Options

RPO Description Price Production
1YZ87 Base Coupe $13,140.24 40,614
AU3 Power Door Locks $140 32.692
CC1 Removable Glass Roof Panels $391 19,695
C49 Rear Window Defogger $109 36,589
FE7 Gymkhana Suspension $55 9,907
F51 Heavy Duty Shock Absorbers $35 1,695
K30 Cruise Control $123 30,821
LG4 305ci, 180hp engine** -$50 3,221
L82 350ci, 230hp engine $595 5,069
MM4 4-Speed Manual Transmission $0.00 5,726
MX1 Automatic Transmission $0.00 34,838
N90 Aluminum Wheels $407 34,128
QGB White Letter SBR Tires, P225/70R15 $62 26,208
QXH White Letter SBR Tires, P255/60R15 $426.16 13,140
UA1 Heavy Duty Battery $22 1,337
U58 AM/FM Stereo $46 6,138
UM2 AM/FM Radio, stereo w/ 8-track $155 15,708
UN3 AM/FM Radio, stereo w/ cassette $163 15,148
UP6 AM/FM Radio, stereo w/CB $391 2,434
U75 Power Antenna $56 32,863
UL5 Radio Delete -$126 201
U81 Dual Rear Speakers $31 36,650
V54 Roof Panel Carrier $125 3,755
YF5 California Emissions Certification $250 3,221
ZN1 Trailer Package $105 796

Color Options for 1980

Interior options for exterior colors are suggested by Chevrolet. Any combination could be ordered.
RPO Exterior Interior Production
10 White B-CL-DB-DS-O-R 7,780
13 Silver Metallic B-CL-DB-O-R 4,341
19 Black B-DS-O-R 7,250
28 Dark Blue Metallic B-DB-DS-O-R 4,135
47 Dark Brown Metallic B-DS-O 2,300
52 Yellow B-O 2,077
58 Dark Green Metallic B-DS-O 844
59 Frost Beige B-CL-DB-DS-R 3,070
50/74 Dark Claret Metallic B-CL-DS-O 3,451
83 Red B-DS-O-R 5,714
Color Codes: B=Black, C=Cloth, CL=Claret, DB=Dark Blue, DS=Doeskin, L=Leather, O=Oyster, R=Red

Interior Colors

RPO Color Production
12C 0yster Cloth 1,808
29C Dark Blue Cloth 1,040
59C Doeskin Cloth 1,616
79C Claret Cloth 1,338
122 Oyster Leather 7,104
192 Black Leather 6,776
292 Dark Blue Leather 2,752
592 Doeskin Leather 7,310
722 Red Leather 7,184
792 Claret Leather 3,636
Note: Cloth inserts have leather surrounds on seating.

1980 Corvette Specifications

Mechanical Dimensions

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)

Engine Specifications

Feature Base Engine RPO L48 Base California Engine RPO LG4 RPO L82
Type V-8, 90-degree Overhead valve
Block Cast Iron
Displacement 350 cid (5.7 liters) 305 cid (5.0 liters) 350 cid (5.7 liters)
Bore & Stroke 4.00 x 3.48" 3.735 x 3.48" 4.00 x 3.48"
Compression Ratio 8.2:1 8.5:1 9.0:1
Brake Horsepower 190 @ 4200 180 @ 4200 230 @ 5200
Torque 280 lb-ft @ 2400 255 lb-ft @ 2000 275 lb-ft @ 3600
Main Bearing Five
Valve Lifters Hydraulic
Fuel Supply Rochester Quadrajet Rochester Quadrajet Rochester Quadrajet
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