C3 --
Corvette Overview --
1971 Specifications
THE C3 CORVETTE - SPECIFICATIONS
MODEL: 1971 Chevrolet CorvetteBODY STYLE: Two-door convertible/coupe, front engine, rear wheel drive
MANUFACTURING LOCATION: St. Louis, Missouri
VEHICLE NUMBERS (Also known as VIN Numbers): 194371S100001 - 194371S121801
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.
DISCLAIMER: While Corvsport.com makes every effort to ensure that this information is complete and accurate, you should always consult the manufacturer of your vehicle if you have a specific issue or question.
1970 Corvette Specifications
1972 Corvette Specifications
AUG., 1970: 101212
SEP.. 1970: 102226
NOV., 1970: 102675
DEC., 1970: 105269
JAN. 1971: 108230
FEB. 1971: 110886
MAR. 1971: 113626
APR. 1971: 115983
MAY, 1971: 118223
JUN., 1971: 120686
JULY, 1971: 121801
PRODUCTION CUTOFF NUMBERS (ENDING VEHICLE):
CGT: 350 CUBIC INCH, 270 HORSEPOWER, AUTOMATIC TRANSMISSION
CGY: 350 CUBIC INCH, 330 HORSEPOWER, MANUAL TRANSMISSION
CGZ: 350 CUBIC INCH, 330 HORSEPOWER, MANUAL TRANSMISSION
CJK: 350 CUBIC INCH, 270 HORSEPOWER, AUTOMATIC TRANSMISSION
CJL: 350 CUBIC INCH, 270 HORSEPOWER, MANUAL TRANSMISSION
CPH: 454 CUBIC INCH, 365 HORSEPOWER, MANUAL TRANSMISSION
CPJ: 454 CUBIC INCH, 365 HORSEPOWER, AUTOMATIC TRANSMISSION
CPW: 454 CUBIC INCH, 425 HORSEPOWER, MANUAL TRANSMISSION, ALUMINUM HEADS
CPX: 350 CUBIC INCH, 425 HORSEPOWER, AUTOMATIC TRANSMISSION, ALUMINUM HEADS
ENGINE SUFFIX:
ENGINE BLOCK NUMBER:
3970010, 350 CUBIC INCH, 270 HP, 330HP
3963512, 454 CUBIC INCH, 365 HP, 425HP
3946074, 454 CUBIC INCH, 425HP
3973487, 350 CUBIC INCH, 270HP, 330HP
3993820, 454 CUBIC INCH, 365HP
3994026, 454 CUBIC INCH, 425HP
HEAD NUMBER:
ROCHESTER Q-jet #7041204: 454 CUBIC INCH, 365HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #7041205: 454 CUBIC INCH, 365HP, MANUAL TRANSMISSION
ROCHESTER Q-jet #7041212: 350 CUBIC INCH, 270HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #7041213: 350 CUBIC INCH, 270HP, MANUAL TRANSMISSION
HOLLEY R4489A #3989021: 350 CUBIC INCH, 330HP, MANUAL TRANSMISSION
HOLLEY R4555A #3986195: 454 CUBIC INCH, 425HP, MANUAL TRANSMISSION
HOLLEY R4555A #3986196: 454 CUBIC INCH, 425HP, AUTOMATIC TRANSMISSION
1112038: 350 CUBIC INCH, 330HP, TRANSISITOR IGNITION
1112050: 350 CUBIC INCH, 270HP
1112051: 454 CUBIC INCH, 365HP,
1112053: 454 CUBIC INCH, 425HP, TRANSISTOR IGNITION
1112076: 454 CUBIC INCH, 425HP, TRANSISTOR IGNITION
DISTRIBUTOR NUMBER:
CARBURETOR NUMBER:
1100543: 454 CUBIC INCH, 365HP, 425HP
1100950: 350 CUBIC INCH 270HP, 330HP
1100544: ALL WITH AIR CONDITIONING
ALTERNATOR:
AA: 3.55:1 RATIO
AB: 3.70:1 RATIO
AC: 4.11:1 RATIO
AD: 4.56:1 RATIO
AW: 3.08:1 RATIO
AX: 3.36:1 RATIO
LR: 3.36:1 RATIO
AXLE IDENTIFICATION:
1971 CORVETTE FACTORY OPTIONS
CODE:
19437
19467
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A31
A85
C07
C08
C50
C60
ZQ1
J50
LS5
LS6
LT1
M21
M22
M40
N37
N40
PO2
PT7
PU9
T60
UA6
U69
U79
ZR1
ZR2
DESCRIPTION:
Base Corvette Sport Coupe
Base Corvette Convertible
Custom Interior Trim
Power Windows
Custom Shoulder Belts (std with coupe)
Auxiliary Hardtop (for convertible)
Vinyl Covering (for auxiliary hardtop)
Rear Window Defroster
Air Conditioning
Optional Rear Axle Ratio
Power Brakes
454ci, 390hp Engine
454ci, 425hp Engine
350ci, 330hp Engine
4-Speed Manual Transmission, close-ratio
4-Speed Manual Transmission, close ratio heavy duty
Turbo-Hydro-matic Automatic Transmission
Tilt-Telescopic Steering Column
Power Steering
Deluxe Wheel Cover
White Stripe Tires, F70x15 nylon
White Letter Tires, F70x15 nylon
Heavy Duty Battery (std with LS5)
Alarm System
AM-FM Radio
AM-FM Radio, stereo
Special Purpose LT1 Engine Package
Special Purpose LS6 Engine Package
QUANTITY:
14,680
7,121
2,602
6,192
677
2,619
832
1,598
11,481
2,395
13,558
5,097
188
1,949
2,387
130
10,060
8,130
17,904
3,007
6,711
12,449
1,455
8,501
18,078
3,431
8
12
RETAIL PRICE:
$5,496.00
$5,259.00
$158.00
$79.00
$42.00
$274.00
$63.00
$42.00
$459.00
$13.00
$47.00
$295.00
$1,221.00
$483.00
$0.00
$100.00
$0.00
$84.30
$115.90
$63.00
$28.00
$42.00
$15.80
$31.60
$178.00
$283.00
$1,010.00
$1,747.00
COLOR CODES:
CODE
905
912
972
973
976
979
983
987
988
989
EXTERIOR
Nevada Silver
Sunflower Yellow
Classic White
Mille Miglia Red
Mulsanne Blue
Bridgehampton Blue
Brands Hatch Green
Ontario Orange
Steel Cities Gray
War Bonnet Yellow
SOFT TOP
Black, White
Black, White
Black, White
Black, White
Black, White
Black, White
Black, White
Black, White
Black, White
Black, White
INTERIOR
Black, Dark Blue, Dark Green, Red
Black, Dark Green, Saddle
Black, Dark Blue, Dark Green, Red, Saddle
Black, Red
Black, Dark Blue
Black, Dark Blue
Black, Dark Green
Black, Dark Green, Saddle
Black, Saddle
Black, Dark Green, Saddle
WHEELS
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
QTY
1,177
1,177
1,875
2,180
2,465
1,417
3,445
2,269
1,591
3,706
INTERIOR COLOR CODES (VINYL):
Black (Vinyl)
Red (Vinyl)
Dark Blue (Vinyl)
Saddle (Vinyl)
Dark Green (Vinyl)
400
407
412
417
423
INTERIOR COLOR CODES (LEATHER):
Black (Leather)
Saddle (Leather)
403
420
Sunflower Yellow
Sunflower YellowSunflower YellowSunflower Yellow
Sunflower Yellow
Brands Hatch Green
Brands Hatch GreenBrands Hatch GreenBrands Hatch Green
Brands Hatch Green
EXTERIOR COLOR TEMPLATE:
Nevada
Silver
Dark Blue
Sunflower Yellow
Classic White
Mulsanne
Blue
War Bonnet
Yellow
Ontario Orange
Brands Hatch
Green
INTERIOR COLOR TEMPLATE:
Black
BlackBlackBlack
Black
Black
Mulsanne Blue
Mulsanne BlueMulsanne BlueMulsanne Blue
Mulsanne Blue
Classic White
Classic WhiteClassic WhiteClassic White
Classic White
Nevada Silver
Nevada SilverNevada SilverNevada Silver
Nevada Silver
War Bonnet Yellow
War Bonnet YellowWar Bonnet YellowWar Bonnet Yellow
War Bonnet Yellow
Ontario Orange
Ontario OrangeOntario OrangeOntario Orange
Ontario Orange
Dark Green
Dark Brown
Dark BrownDark BrownDark Brown
Dark Brown
Dark Blue
Dark BlueDark BlueDark Blue
Dark Blue
Saddle
Steel Cities Gray
Steel Cities GraySteel Cities GraySteel Cities Gray
Steel Cities Gray
Steel Cities Gray
Mille Miglia Red
Mille Miglia RedMille Miglia RedMille Miglia Red
Mille Miglia Red
Mille Miglia
Red
Red
Red
RedRedRed
Red
Bridgehampton
Blue
Bridgehampton Blue
Bridgehampton BlueBridgehampton BlueBridgehampton Blue
Bridgehampton Blue
Saddle
SaddleSaddleSaddle
Saddle
Standard Seats
Standard Wheels
1971 Corvette Wheels
1971 Corvette Deluxe Wheel Covers RPO P02
RPO P02 Deluxe Wheel Covers
1971 Corvette Seats
Engine:
Order Code:
Engine Manufacturing Location
Type:
Number of Cylinders
Displacement (cid):
Fuel induction system:
Horsepower (gross hp @ rpm):
Torque (gross lbs.-ft. @ rpm)
Valves per cylinder:
Bore x stroke (in.):
Redline (rpm):
Compression ratio:
Valve Lifters
Total Dressed Engine Weight Dry:
Automatic
Manual
Firing Order:
Cylinder Number System;
Left Bank:
Right Bank:
Recommended Fuel:
EPA - Automatic Transmission
City (mpg):
Highway (mpg):
Max cruising range (miles):
EPA - Manual Transmission
City (mpg):
Highway (mpg):
Max cruising range (miles):
Standard
Flint, Michigan
90 degree V, Overhead Valve
8
350
4-Barrel Carburetor
270 @ 4,800
360 @ 3,200

4.00 x 3.48
---
8.5:1
Hydraulic

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1-8-4-3-6-5-7-2

1-3-5-7
2-4-6-8
Premium

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CORVETTE POWERTRAIN SPECIFICATIONS:
LT1
Flint, Michigan
90 degree V, Overhead Valve
8
350
4-Barrel Carburetor
330 @ 5,600
360 @ 4,000

4.00 x 3.48
---
9.0:1
Mechanical

---
---
1-8-4-3-6-5-7-2

1-3-5-7
2-4-6-8
Premium

N/A
N/A
N/A

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---
Engine:
Order Code:
Engine Manufacturing Location
Type:
Number of Cylinders
Displacement (cid):
Fuel induction system:
Horsepower (gross hp @ rpm):
Torque (gross lbs.-ft. @ rpm)
Valves per cylinder:
Bore x stroke (in.):
Redline (rpm):
Compression ratio:
Valve Lifters
Total Dressed Engine Weight Dry:
Automatic
Manual
Firing Order:
Cylinder Number System;
Left Bank:
Right Bank:
Recommended Fuel:
EPA - Automatic Transmission
City mpg):
Highway (mpg):
Max cruising range (miles):
EPA - Manual Transmission
City (mpg):
Highway (mpg):
Max cruising range (miles):
LS5
Flint, Michigan
90 degree V, Overhead Valve
8
454
4-Barrel Carburetor
365 @ 4,800
500 @ 3,400

4.251 x 4.00
---
8.5:1
Hydraulic

---
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1-8-4-3-6-5-7-2

1-3-5-7
2-4-6-8
Premium

---
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LS6
Flint, Michigan
90 degree V, Overhead Valve
8
454
4-Barrel Carburetor
425 @ 5,600
475 @ 4,000

4.251 x 4.00
---
9.0:1
Mechanical

---
---
1-8-4-3-6-5-7-2

1-3-5-7
2-4-6-8
Premium

---
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---

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TURBO HYDRA-MATIC AUTOMATIC TRANSMISSION (RPO M40) GEAR RATIOS:

1st Gear:
2nd Gear:
3rd Gear:
Reverse:
MANUAL TRANSMISSION / GEAR RATIOS:

1st Gear:
2nd Gear:
3rd Gear:
4th Gear:
Reverse:
4-Speed (RPO M20)
2.52:1
1.88:1
1.46:1
1.00:1
2.59:1
Drive:
2.48:1
1.48:1
1.00:1
N/A
Clutch:
  Model & Type
  Effective plate load (lbs.)
  Total Affective Area (sq. in.)
Single Dry Disk Centrifugal
2450 - 2750 (1600 - 1800 LS6)
123.7 (201.06 LS6)
4-Speed Close Ratio (RPO M21)
2.20:1
1.64:1
1.27:1
1.00:1
2.26:1
4-Speed Heavy Duty (RPO M22)
2.20:1
1.64:1
1.27:1
1.00:1
2.26:1
L2:
2.48:1
1.48:1
N/A
N/A
L1:
2.48:1
N/A
N/A
N/A
Reverse:
N/A
N/A
N/A
2.08
SUSPENSION - FRONT:
Type and Description:  Independent, SLA type, coil springs with center mounted shock absorbers, spherical joint steering knuckle pivots.

Front Springs:
  Type
  Material
  Part number
  Spring Rate (lb. per in.)
  Rate at Wheel (lb. per in.)
  Design Load at Spring
SUSPENSION - REAR:
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
  Material
  Length, width, height
Variable rate 9-leaf
Chrome carbon steel
46.36 x 2.25 x 2.121
Front Stabilizer Bar:
  Type
  Material
  Diameter
Link
Hot rolled steel
.750 with 350ci engine, .9375 with 454ci engine
Rear strut:
  Material
  Diameter  
Forged Steel
.75
Right-hand Helix Variable rate
Steel Alloy
3931823, 3931825
250 (284)
---
9.99 in. @ 1395 lbs. (9.99 in. @ 1540 lbs.)
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:

98.0 Inches
182.5 Inches
69.0 Inches
47.9 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
37.1 Inches
46.9 Inches
48.8 Inches
43.0 Inches
Hardtop
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.4 Inches
4.5 Inches
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:
98.0 Inches
182.5 Inches
69.0 Inches
47.8 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
37.2 Inches
46.9 Inches
48.8 Inches
43.0 Inches
Coupe
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.4 Inches
4.8 Inches
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:
98.0 Inches
182.5 Inches
69.0 Inches
47.9 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
38.3 Inches
46.9 Inches
48.8 Inches
43.0 Inches
Soft Top
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.4 Inches
4.5 Inches
CAPACITIES:
Passenger Capacity:
Curb Weight w/ standard equipment (lbs.)
  Convertible with soft top
  Coupe
Interior Passenger Volume (cu.ft):
Luggage Compartment (cu.ft):
Fuel Capacity (gallons):
Engine Oil Capacity (qts.):

Coolant capacity with heater (qts.):



Battery:

Coefficient of Drag (cd):
Weight Dist. Front/Rear (%):

2 - Driver & Passenger

3,306
3,292
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Coupe 6.1, Convertible 5.0
18
4.0 for 350ci. engines  (capacity of crankcase less filter - refill)
5.0 for 454ci engines (capacity of crankcase less filter - refill)
15 for standard engine
18 for RPO LT1 engine
22 for LS5 engine
20 for LS6 engine
12 Volt, 62AH for 350ci. engines
12 Volt, 80AH for 454ci. engines
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MANUAL STEERING:
Type:



Make:
Steering Gear:
Overall Ratio
Street:
Fast:
Wheel diameter (in.):
Wheel Turns, Lock-to-Lock:
Street:
Fast:
Turning Diameter, curb-to-curb (ft.):
Turning Diameter, wall-to-wall (ft.):
Semi-reversible gear with ball-nut driven by recirculating anti-friction bearings, energy-absorbing steering column, steering damper attached to relay rod; two position steering knuckle arm attachment for street and fast ratio steering. Adjustable steering column available optionally.
Saginaw
16:1

20.2:1
17.6:1
16

3.4
2.92
37 ft. (outside front)
39 ft. (outside front)
BRAKES:
Type:
Standard:
J50:
Disk Diameter, front (in.):
Disk Diameter, rear (in.):
Swept Drum Area (sq. in.):

Caliper Disk - 4 Wheel Hydraulic
Delco Moraine, vacuum power unit; integral
11.75 x 1.25
11.75 x 1.25
461.2
WHEELS/TIRES:
Wheel Type:
Standard:
Wheels, size:
Standard:
Tire, size:
Standard:
         PT7:
PU9:
Inflation (cold)
Front:
Rear:
Short-spoke spider, welded steel

15" x 8.00

F70 x 15 -- 4 PR. 2-Ply Tubeless Nylon
F70 x 15 -- 4 PR, 2-Ply White Stripe Nylon
F70 x 15 -- 4 PR, 2-Ply White Letter Nylon

24 psi (cold), 30 psi (hot)
24 psi (cold), 30 psi (hot)
POWER STEERING RPO N40: (Specifications are the same as Manual Steering except the following.)
Description:
Gear Ratio:
Overall Ratio:
Wheel Turns, Lock-to-Lock:
Hydraulic; pump powered cylinder assisted linkage
16:1
17.6:1
2.92
PERFORMANCE RESULTS:

4-Speed Transmission
Performance weight (lbs.)
Pounds/gross horsepower
Pounds/cu.in. piston displacement
Gross horsepower/cu.in. displacement
Power displacement (cu.ft./mile)
Displacement factor (cu.ft./mile)
0 - 60 mph (seconds)
Top Speed (mph)

4-Speed Transmission-Close Ratio
Performance weight (lbs.)
Pounds/gross horsepower
Pounds/cu.in. piston displacement
Gross horsepower/cu.in. displacement
Power displacement (cu.ft./mile)
Displacement factor (cu.ft./mile)
0 - 60 mph (seconds)
Top Speed (mph)

Powerglide Automatic Transmission
Performance weight (lbs.)
Pounds/gross horsepower
Pounds/cu.in. piston displacement
Gross horsepower/cu.in. displacement
Power displacement (cu.ft./mile)
Displacement factor (cu.ft./mile)
0 - 60 mph (seconds)
Top Speed (mph)

(1) - Car and Driver, June 1971
Standard
3592
13.30
10.26
.771
261.33
145.18
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N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A


3680
13.63
10.51
.771
239.55
130.19
7.1 (1)
132 (1)
LT1
3654
11.07
10.44
.943
276.11
150.88
6.0 (1)
137 (1)


3654
11.07
10.44
.943
287.78
157.26
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N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
LS5
3812
10.44
8.44
.804
310.73
162.68
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---


3812
10.44
8.40
.804
338.99
177.48
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3860
10.57
8.50
.804
310.73
161.00
5.7 (1)
141 (1)
LS6
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A


3674
8.64
8.09
.956
338.99
167.06
5.3 (1)
152 (1)


3724
8.76
8.20
.956
310.73
184.23
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