Mechanically, the 1977 Corvette went essentially unchanged from the 1976 model year. As in 1976, the 1977 Corvette came standard with a 180 horsepower, 350 cubic-inch, small-block Chevy engine mated to a 4-speed, wide-ratio manual transmission.
Read More: 1977 Chevrolet Corvette Research Center
1977 Corvette Specifications
1977 Corvette Main Specs
| MODEL: | 1977 Chevrolet Corvette |
| BODY STYLE: | Two-door coupe, front engine, rear wheel drive |
| MANUFACTURING LOCATION: | St. Louis, Missouri |
| CONSTRUCTION: | Uniconstruction: fiberglass reinforced plastic (FRP or “fiberglass”) body, backboned by a steel cage outlining the passenger compartment. Principal members – underbody, front and rear end assemblies, dash panel and hinge pillars are bonded, riveted, or bolted together and to each other. Hood is plastic with bonded plastic reinforcement. Coupe: two removable roof panels and removable rear window. Frame: all welded, full length, ladder construction with 5 crossmembers. Side Rails and intermediate crossmembers box section; front crossmember box girder section. Eight body-mounting points. |
| VEHICLE NUMBERS (VIN): |
1Z37L7S400001 – 1Z37L7S449213
|
| ENGINE SUFFIX: | CHD: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC, CALIFORNIA EMISSIONS CKD: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC, HIGH ALTITUDE CKZ: 350 CUBIC INCH, 180 HORSEPOWER, MANUAL CLA: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC CLB: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC, HIGH ALTITUDE CLC: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC, CALIFORNIA EMISSIONS CLD: 350 CUBIC INCH, 210 HORSEPOWER, MANUAL CLF: 350 CUBIC INCH, 210 HORSEPOWER, AUTOMATIC |
| ENGINE BLOCK NUMBER: | 3970010: 350 CUBIC INCH, 180 HP, 210HP |
| HEAD NUMBER: | 333882: 350 CUBIC INCH, 180HP, 210HP 374650: 350 CUBIC INCH, 180HP |
| CARBURETOR NUMBERS: | ROCHESTER Q-jet #17057202: 350 C.I., 180HP, AUTOMATIC TRANS. ROCHESTER Q-jet #17057203: 350 C.I., 180HP, MANUAL TRANS. ROCHESTER Q-jet #17057204: 350 C.I., 180HP, AUTOMATIC TRANS., AIR CONDITIONING ROCHESTER Q-jet #17057210: 350 C.I., 210HP, AUTOMATIC TRANS. ROCHESTER Q-jet #17057211: 350 C.I., 210HP, MANUAL TRANS. ROCHESTER Q-jet #17057228: 350 C.I., 210HP, AUTOMATIC TRANS., AIR CONDITIONING ROCHESTER Q-jet #17057502: 350 C.I., 180HP, AUTOMATIC TRANS., CALIFORNIA EMISSIONS ROCHESTER Q-jet #17057504: 350 C.I., 180HP, AUTOMATIC TRANS., AIR COND., CALIF. EMISSIONS ROCHESTER Q-jet #17057510: 350 C.I., 210HP, AUTOMATIC TRANS., CALIF. EMISSIONS ROCHESTER Q-jet #17057582: 350 C.I., 180HP, AUTOMATIC TRANS., HIGH ALTITUDE ROCHESTER Q-jet #17057584: 350 C.I., 180HP, AUTOMATIC TRANS., AIR COND., HIGH |
| DISTRIBUTOR NUMBER: | 1103246: 350 CUBIC INCH, 180HP 1103248: 350 CUBIC INCH, 180HP, AUTOMATIC TRANSMISSION, CALIFORNIA EMISSIONS 1103256: 350 CUBIC INCH, 210HP |
| ALTERNATOR NUMBER: | 1102474: 350 CUBIC INCH 1102484: 350 CUBIC INCH, WITHOUT AIR CONDITIONING 1102908: 350 CUBIC INCH 1102909: 350 CUBIC INCH |
| AXLE IDENTIFICATION NUMBER | OA: 3.08:1 RATIO OD: 3.36:1 RATIO LR: 3.36:1 RATIO OB: 3.55:1 RATIO OC: 3.70:1 RATIO |
| PRODUCTION ENDING VEHICLE: | AUG., 1976: 402287, SEP.. 1976: 406337, OCT., 1976: 410517, NOV., 1976: 414216, DEC., 1976: 417551, JAN., 1977: 421118, FEB., 1977: 424662, MAR., 1977: 429041, APR., 1977: 433057, MAY., 1977: 437029, JUNE., 1977: 441233, JULY., 1977: 445179 |
1977 Corvette Powertrain Specifications
| Order Code | L48 | L82 |
| Manufacturing Location | Flint, Michigan | Flint, Michigan |
| Type | 90 degree V, Valve-In-Head | 90 degree V, Valve-In-Head |
| Cylinders | 8 | 8 |
| Displacement (cid) | 350 | 350 |
| Fuel Induction System | 4-Barrel Carburetor | 4-Barrel Carburetor |
| Horsepower | 180 @ 4,000 | 210 @ 5,200 |
| Torque | 270 @ 2,400 | 255 @ 3,600 |
| Bore x Stroke (in.) | 4.00 x 3.48 | 4.00 x 3.48 |
| Compression Ratio | 8.5:1 | 9.0:1 |
| Valve Lifters | Hydraulic | Hydraulic |
| Firing Order | 1-8-4-3-6-5-7-2 | 1-8-4-3-6-5-7-2 |
| Cylinder Number System (Left) | 1-3-5-7 | 1-3-5-7 |
| Cylinder Number System (Right) | 2-4-6-8 | 2-4-6-8 |
| Recommended Fuel | Premium | Premium |
1977 Corvette Manual Transmission/Gear Ratios
Manual Transmission
| Gear Ratios |
4-Speed (RPO M20)
|
4-Speed Close Ratio (RPO M21)
|
|
1st Gear:
|
2.64:1
|
2.43:1
|
|
2nd Gear:
|
1.75:1
|
1.61:1
|
|
3rd Gear:
|
1.34:1
|
1.23:1
|
|
4th Gear:
|
1.00:1
|
1.00:1
|
|
Reverse:
|
2.55:1
|
2.35:1
|
Clutch
| Clutch | Stats |
| Type | Single Dry Disk Centrifugal |
| Spring Pressure (lbs) | 2450 – 2750 for L48, 2450-2750 for L82 |
| Lining area (sq. in.) | 101.5 for L48, 123.7 for L82 |
Turbo Hydra-Matic Automatic Transmission RPO M40/ Gear Ratios
| Gear | Drive | L2 | L1 | Reverse |
| 1st Gear | 2.48:1 | 2.48:1 | 2.48:1 | N/A |
| 2nd Gear | 1.52:1 | 1.52:1 | N/A | N/A |
| 3rd Gear | 1.00:1 | N/A | N/A | N/A |
| Reverse | N/A | N/A | N/A | 1.94 |
1977 Corvette Wheels, Suspension & Brakes
Suspension – Front
Type and Description: Independent, SLA type, coil springs with center mounted shock absorbers, spherical joint steering knuckle pivots.
| Front Coil Springs | |
| Make & Type | Coil |
| Material | Steel Alloy |
| Size | 10.27 x 3.80; 130.84 x 0.606 |
| Front Stabilizer Bar | |
| Type | Link |
| Material | Hot rolled steel |
| Diameter | .875 |
Suspension – Back
Type and Description: Full Independent rear suspension with frame-anchored differential unit. Position of each wheel established by three links: tubular axle drive shafts, transverse strut rods, torque control arms. Vertical suspension loads taken by transverse leaf springs. Built-in camber adjustment at strut rod inner ends.
| Rear Leaf Springs | |
| Number of Leaves | Variable rate 9-leaf |
| Material | Chrome carbon steel |
| Length, width, height | 48.60 x 2.25 x 2.121 |
| Rear Strut | |
| Material | Forged Steel |
| Diameter | 0.75 |
Brakes
| Brake Specs | |
| Type: | – |
| – Standard | Caliper Disk – 4 Wheel Dual Hydraulic with Pressure Differential and Warning Light |
| – J50 | Delco Moraine, vacuum power unit; integral |
| Drum diameter, front (in.): | 11.75 x 1.25 |
| Drum diameter, rear (in.): | 11.75 x 1.25 |
| Swept Drum Area Effective area: | 249.14 |
Wheels & Tires
| Wheels & Tires Specs | |
| Wheel Type: | |
| – Standard | Short spoke spider, welded steel |
| – Optional | Cast Aluminum |
| Wheels, size: | |
| – Standard | 15″ x 8.00 |
| – Standard | 15″ x 8.00 |
| Tire, size: | |
| – Standard | GR70 x 15B — Blackwall Steel Belted Radial |
| – QRZ | GR70 x 15B — White Letter Steel Belted Radial |
| Inflation | |
| – Front | 24 psi (cold), 30 psi (hot) |
| – Rear | 24 psi (cold), 30 psi (hot) |
Steering
| Steering Specs – Manual Steering | |
| Type | |
| – Power | Integral, recirculating ball nut with hydraulic pressure provided from a vane type pump. |
| Make | Saginaw |
| Steering Gear | |
| – Power | 16:1 |
| Overall Ratio | |
| – Power | 17.6:1 |
| Wheel Diameter (in.) | 14.75 x 14.25 |
| Turns, Stop to Stop | |
| – Manual | 3.4 |
| – Power | 2.92 |
| Turning Diameter | 37 ft. (outside front), 38.6 ft. (outside front) |
1977 Corvette Exterior Dimensions
Coupe Dimensions
| Exterior Dimensions (Coupe) | Interior Dimensions (Coupe) | ||
| Wheelbase: | 98.0 Inches | Headroom: | 32.2 Inches |
| Overall Length: | 185.2 Inches | Shoulder Room: | 47.9 Inches |
| Total Body Width: | 69.2 Inches | Hip Room: | 48.8 Inches |
| Overall Height: | 48.0 Inches | Leg Room: | 42.1 Inches |
| Front Track Width: | 58.7 Inches | ||
| Rear Track Width: | 59.5 Inches | ||
| Min. Ground Clearance | 4.3 Inches | ||
Capacities
| Capacities | |
| Passenger Capacity | 2 – Driver & Passenger |
| Curb Weight (lbs) | 3,534 |
| Interior Passenger Volume (cu. ft) | 7.8 |
| Interior Trunk Volume (cu. ft) | 17 |
| Fuel Capacity (gallons): | 4.0 (capacity of crankcase less filter – refill) 4.5 (capacity of crankcase refill with filter change) |
| Coolant capacity without heater (qts.) | 20.7 |
| Battery: | 12 Volt, 78 Plates, 3,500 Watts for Standard 12 Volt, 90 Plates, 4,000 Watts for Heavy Duty |
1977 Corvette Performance Results
|
4-Speed Transmission
|
Base | L82 |
|
Performance weight (lbs.)
|
3834 | 3838 |
|
Pounds/net horsepower
|
21.30 | 18.28 |
|
Pounds/cu.in. piston displacement
|
10.95 | 10.98 |
|
Net horsepower/cu.in. displacement
|
.514
|
.600 |
|
Power displacement (cu.ft./mile)
|
258.61 | 284.78 |
|
Displacement factor (cu.ft./mile)
|
134.90 | 148.40 |
|
0 – 60 mph (seconds)
|
—
|
6.8 |
|
Top Speed (mph)
|
—
|
132 |
|
Quarter Mile (secs @ mph)
|
—
|
15.5 @ 92.5 |
| Turbo Hydra-Matic Automatic | Base | L82 |
|
Performance weight (lbs.)
|
3868 | 3896 |
| Pounds/net horsepower | 21.50 | 18.55 |
|
Pounds/cu.in. piston displacement
|
11.05 | 11.13 |
|
Net horsepower/cu.in. displacement
|
.514 | .600 |
|
Power displacement (cu.ft./mile)
|
237.06 | 273.23 |
|
Displacement factor (cu.ft./mile)
|
122.57 | 140.26 |
|
0 – 60 mph (seconds)
|
— | — |
|
Top Speed (mph)
|
—
|
— |
|
Quarter Mile (secs @ mph)
|
— |
—
|
Why are the 0-60 an 1/4 mile times missing