1976 Corvette

1976 Corvette Performance & Specifications

Powertrain, Steering, Brakes, Dimensions, & Suspension

By 1976, the United States economy was on the mend from the 19731975 global economic recession.  The recession, which had been caused in part by the 1973 oil crisis, had caused gas prices to soar which, in turn, had made automotive manufacturers begin re-evaluating the types of vehicles they were manufacturing.

Read More: 1976 Chevrolet Corvette Research Center

1976 Corvette Specifications

1976 Corvette Main Specs

MODEL: 1976 Chevrolet Corvette
BODY STYLE: Two-door convertible/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):
1Z37J5S400001 – 1Z37J5S438465
ENGINE SUFFIX: CHC: 350 CUBIC INCH, 210 HORSEPOWER, MANUAL TRANSMISSION
CKC: 350 CUBIC INCH, 210 HORSEPOWER, AUTOMATIC TRANSMISSION
CKW: 350 CUBIC INCH, 180 HORSEPOWER, MANUAL TRANSMISSION
CKX: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC TRANSMISSION
CLS: 350 CUBIC INCH, 180 HORSEPOWER, AUTOMATIC, CALIFORNIA EMISSIONS
ENGINE BLOCK NUMBER: 3970010: 350 CUBIC INCH, 180 HP, 210HP
HEAD NUMBER: 333882: 350 CUBIC INCH, 180HP, 210HP
CARBURETOR NUMBERS:
ROCHESTER Q-jet #17056206: 350 CUBIC INCH, 180HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #17056207: 350 CUBIC INCH, 180HP, MANUAL TRANSMISSION
ROCHESTER Q-jet #17056210: 350 CUBIC INCH, 210HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #17056211: 350 CUBIC INCH, 210HP, MANUAL TRANSMISSION
ROCHESTER Q-jet #17056226: 350 CUBIC INCH, 210HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #17056506: 350 CUBIC INCH, 180HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #17056507: 350 CUBIC INCH, 180HP, MANUAL TRANSMISSION
DISTRIBUTOR NUMBER:
1103200: 350 CUBIC INCH, 210HP, MANUAL TRANSMISSION
1112888: 350 CUBIC INCH, 180HP
1112905: 350 CUBIC INCH, 180HP, AUTOMATIC TRANSMISSION, CALIFORNIA EMISSIONS
1112979: 350 CUBIC INCH, 210HP, AUTOMATIC TRANSMISSION
ALTERNATOR NUMBER:
1102474: 350 CUBIC INCH, AIR CONDITIONING
1102484: 350 CUBIC INCH, WITHOUT AIR CONDITIONING
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., 1975: 401602, DEC., 1975: 416696, APR., 1976: 432805, AUG., 1976: 446558, SEP.. 1975: 405693, JAN., 1976: 420568, MAY, 1976: 436656, OCT., 1975: 409982, FEB., 1976: 424370, JUN., 1976: 440830, NOV., 1975: 413481, MAR., 1976: 428760, JUL., 1976: 444767

1976 Corvette Powertrain Specifications

Order Code Standard 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

1976 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 (Dual Dry Disk for LT1)
Spring Pressure (lbs) 2450 – 2750
Lining area (sq. in.) 123.7

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 1.48:1 1.48:1 N/A N/A
3rd Gear 1.00:1 N/A N/A N/A
Reverse N/A N/A N/A 2.08

1976 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
– QRM GR70 x 15B — White Stripe Steel Belted Radial
– QRZ GR70 x 15B — White Letter Steel Belted Radial
Inflation
– Front 20 psi (cold), 30 psi (hot)
– Rear 20 psi (cold), 30 psi (hot)

Steering

Steering Specs – Manual Steering
Type
– Manual Recirculating ball nut
– Power Integral, recirculating ball nut with hydraulic pressure provided from a vane type pump.
Make Saginaw
Steering Gear
– Manual 16:1
– Power 16:1
Overall Ratio
– Manual 20.2:1
– Power 20.2:1
Wheel Diameter (in.) 15
Turns, Stop to Stop
– Manual 3.4
– Power 2.92
Turning Diameter 37 ft. (outside front), 38.6 ft. (outside front)

1976 Corvette

1976 Corvette Exterior Dimensions

Coupe Dimensions

Exterior Dimensions (Coupe) Interior Dimensions (Coupe)
Wheelbase: 98.0 Inches Headroom: 36.2 Inches
Overall Length: 185.2 Inches Shoulder Room: 47.9 Inches
Total Body Width: 69.0 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) 3,541
Interior Passenger Volume (cu. ft) 6.5
Interior Trunk Volume (cu. ft) 18
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

1976 Corvette

1976 Corvette Performance Results

4-Speed Transmission
Base L82
Performance weight (lbs.)
3841 3845
Pounds/net horsepower
21.34 18.31
Pounds/cu.in. piston displacement
10.97 10.98
Net horsepower/cu.in. displacement
.514
.600
Power displacement (cu.ft./mile)
258.61 273.23
Displacement factor (cu.ft./mile)
132.62 142.31
0 – 60 mph (seconds)
Top Speed (mph)
Quarter Mile (secs @ mph)
Turbo Hydra-Matic Automatic Base  L82
Performance weight (lbs.)
3895 3899
 Pounds/net horsepower 21.63 18.57
Pounds/cu.in. piston displacement
11.13 11.14
Net horsepower/cu.in. displacement
.514 .600
Power displacement (cu.ft./mile)
237.06 258.61
Displacement factor (cu.ft./mile)
123.47 182.62
0 – 60 mph (seconds)
7.4
Top Speed (mph)
121
Quarter Mile (secs @ mph)
15.2 @ 92.4

1976 Corvette