C3 --
Corvette Overview --
1973 Specifications
THE C3 CORVETTE - SPECIFICATIONS
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1972 Corvette Specifications
1974 Corvette Specifications
MODEL: 1973 Chevrolet CorvetteBODY STYLE: Two-door convertible/coupe, front engine, rear wheel drive
MANUFACTURING LOCATION: St. Louis, Missouri
VEHICLE NUMBERS (Also known as VIN Numbers): 1Z37J3S400001 - 1Z37J3S434464
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.
AUG., 1972: 401138
SEP.. 1972: 403539
OCT., 1972: 406054
NOV., 1972: 408696
DEC., 1972: 410679
JAN., 1973: 413600
FEB., 1973: 416301
MAR., 1973: 419253
APR., 1973: 421933
MAY, 1973: 428892
JUNE., 1973: 431731
JULY, 1973: 434464
PRODUCTION CUTOFF NUMBERS (ENDING VEHICLE):
CKZ: 350 CUBIC INCH, 190 HORSEPOWER, MANUAL TRANSMISSION
CLA: 350 CUBIC INCH, 190 HORSEPOWER, AUTOMATIC TRANSMISSION
CLB: 350 CUBIC INCH, 190 HORSEPOWER, MANUAL TRANSMISSION, CALIFORNIA EMISSIONS
CLC: 350 CUBIC INCH, 190 HORSEPOWER, AUTOMATIC TRANSMISSION, CALIFORNIA EMISSIONS
CLD: 350 CUBIC INCH, 250 HORSEPOWER, AUTOMATIC TRANSMISSION
CLH: 350 CUBIC INCH, 250 HORSEPOWER, AUTOMATIC TRANSMISSION, CALIFORNIA EMISSIONS
CLR: 350 CUBIC INCH, 250 HORSEPOWER, MANUAL TRANSMISSION
CLS: 350 CUBIC INCH, 250 HORSEPOWER, MANUAL TRANSMISSION, CALIFORNIA EMISSIONS
CWM: 454 CUBIC INCH, 275 HORSEPOWER, MANUAL TRANSMISSION
CWR: 454 CUBIC INCH, 275 HORSEPOWER, AUTOMATIC TRANSMISSION
CWS: 454 CUBIC INCH, 275 HORSEPOWER, AUTOMATIC TRANSMISSION, CALIFORNIA EMISSIONS
CWT: 454 CUBIC INCH, 275 HORSEPOWER, MANUAL TRANSMISSION, CALIFORNIA EMISSIONS
ENGINE SUFFIX:
ENGINE BLOCK NUMBER:
3970010: 350 CUBIC INCH, 190 HP, 250HP
3970014: 350 CUBIC INCH, 190 HP, 250HP
3999289: 454 CUBIC INCH, 275HP
353049: 454 CUBIC INCH, 275HP
330545: 350 CUBIC INCH, 250HP
3998993: 350 CUBIC INCH, 190HP
333881: 350 CUBIC INCH, 190HP
333882: 350 CUBIC INCH, 190HP
HEAD NUMBER:
ROCHESTER Q-jet #7043200: 454 CUBIC INCH, 275HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #7043201: 454 CUBIC INCH, 275HP, MANUAL TRANSMISSION
ROCHESTER Q-jet #7043202: 350 CUBIC INCH, 190HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #7043203: 350 CUBIC INCH, 190HP, MANUAL TRANSMISSION
ROCHESTER Q-jet #7043212: 350 CUBIC INCH, 250HP, AUTOMATIC TRANSMISSION
ROCHESTER Q-jet #7043213: 350 CUBIC INCH, 250HP, MANUAL TRANSMISSION
1112098: 350 CUBIC INCH, 190HP
1112114: 454 CUBIC INCH, 275HP
1112130: 350 CUBIC INCH, 250HP
1112150: 350 CUBIC INCH, 250HP
DISTRIBUTOR NUMBER:
CARBURETOR NUMBER:
1100544: 350, 454 CUBIC INCH, AIR CONDITIOING
1100950: 350, 454 CUBIC INCH
1102353: 454 CUBIC INCH
ALTERNATOR:
AA: 3.55:1 RATIO
AB: 3.70:1 RATIO
AC: 4.11:1 RATIO
AW: 3.08:1 RATIO
AX: 3.36:1 RATIO
LR: 3.36:1 RATIO
AXLE IDENTIFICATION:
1973 CORVETTE FACTORY OPTIONS
CODE:
1YZ37
1YZ67
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A31
A85
C07
C08
C50
C60
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J50
LS4
L82
M21
M40
N37
N40
PO2
QRM
QRZ
T60
U58
U69
UF1
YF5
YJ8
Z07
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, 275hp Engine
350ci, 250hp Engine
4-Speed Manual Transmission, close-ratio
Turbo-Hydro-matic Automatic Transmission
Tilt-Telescopic Steering Column
Power Steering
Deluxe Wheel Cover
White Stripe Steel Belted Tires, GR70x15
White Letter Steel Belted Tires, GR70x15
Heavy Duty Battery (std with LS4)
AM-FM Radio, Stereo
AM-FM Radio
Map Light (on rearview mirror)
California Emission Test
Cast Aluminum Wheels (5)
Off Road Suspension and Brake Package
QUANTITY:
25,521
4,943
13,434
14,024
788
1,328
323
4,412
21,578
1,791
24,168
4,412
5,710
3,704
17,927
17,949
27,872
1,739
19,903
4,541
4,912
12,482
17,598
8,186
3,008
4
45
RETAIL PRICE:
$5,561.50
$5,398.50
$154.00
$83.00
$41.00
$267.00
$62.00
$41.00
$452.00
$12.00
$46.00
$250.00
$299.00
$0.00
$0.00
$82.00
$113.00
$62.00
$32.00
$45.00
$15.00
$276.00
$173.00
$5.00
$15.00
$175.00
$369.00
COLOR CODES:
CODE
910
914
922
927
945
947
952
953
976
980
EXTERIOR
Classic White
Silver
Medium Blue
Dark Blue
Blue-Green
Elkhart Green
Yellow
Metallic Yellow
Mille Miglia Red
Orange
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 Red, Dark Saddle, Midnight Blue, Medium Saddle
Black, Dark Red, Dark Saddle, Midnight Blue, Medium Saddle
Black, Midnight Blue, Medium Saddle
Black, Dark Red, Midnight Blue, Medium Saddle
Black, Dark Red, Dark Saddle, Medium Saddle
Black, Medium Saddle
Black, Dark Saddle, Midnight Blue
Black, Midnight Blue
Black, Dark Red, Dark Saddle, Midnight Blue, Medium Saddle
Black, Dark Saddle, Midnight Blue, Medium Saddle
WHEELS
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
Silver
INTERIOR COLOR CODES (VINYL):
Black (Vinyl)
Midnight Blue (Vinyl)
Medium Saddle (Vinyl)
Dark Saddle (Vinyl)
Dark Red (Vinyl)
400
413
415
418
425
INTERIOR COLOR CODES (LEATHER):
Black (Leather)
Medium Saddle (Leather)
Dark Saddle (Leather)
404
416
422
Silver
SilverSilverSilver
Silver
Yellow
YellowYellowYellow
Yellow
EXTERIOR COLOR TEMPLATE:
Classic White
Dark Red
Silver
Medium Blue
Dark Blue
Orange
Metallic Yellow
Yellow
INTERIOR COLOR TEMPLATE:
Black
BlackBlackBlack
Black
Black
Dark Blue
Dark BlueDark BlueDark Blue
Dark Blue
Medium Blue
Medium BlueMedium BlueMedium Blue
Medium Blue
Classic White
Classic WhiteClassic WhiteClassic White
Classic White
Orange
OrangeOrangeOrange
Orange
Metallic Yellow
Metallic YellowMetallic YellowMetallic Yellow
Metallic Yellow
Dark Saddle
Dark Saddle
Dark SaddleDark SaddleDark Saddle
Dark Saddle
Dark Red
Dark RedDark RedDark Red
Dark Red
Mille Miglie Red
Mille Miglie RedMille Miglie RedMille Miglie Red
Mille Miglie Red
Mille Miglie
Red
Elkhart Green
Elkhart GreenElkhart GreenElkhart Green
Elkhart Green
Elkhart Green
Midnight
Blue
Midnight Blue
Midnight BlueMidnight BlueMidnight Blue
Midnight Blue
Blue-Green
Blue-Green
Blue-GreenBlue-GreenBlue-Green
Blue-Green
Medium
Saddle
Medium Saddle
Medium SaddleMedium SaddleMedium Saddle
Medium Saddle
Standard Seats
Standard Wheels
1973 Corvette Wheels
1973 Corvette Deluxe Wheel Covers RPO P02
RPO P02 Deluxe Wheel Covers
1973 Corvette Seats
Engine:
Order Code:
Engine Manufacturing Location
Type:
Number of Cylinders
Displacement (cid):
Fuel induction system:
Horsepower (net hp @ rpm):
Torque (net 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
190 @ 4,400
270 @ 2,800

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:
L82
Flint, Michigan
90 degree V, Overhead Valve
8
350
4-Barrel Carburetor
250 @ 5,200
285 @ 4,000

4.00 x 3.48
---
9.0:1
Mechanical

---
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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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LS4
Flint, Michigan
90 degree V, Overhead Valve
8
454
4-Barrel Carburetor
275 @ 4,400
395 @ 2,800

4.251 x 4.00
---
8.25:1
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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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
123.7
4-Speed Close Ratio (RPO M21)
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:
  Size:
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
48.60 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
Coil
Steel Alloy
10.27 x 3.80; 130.84 x 0.606
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:

98.0 Inches
184.7 Inches
69.0 Inches
47.8 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
36.1 Inches
47.9 Inches
48.8 Inches
42.1 Inches
Hardtop
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.5 Inches
4.3 Inches
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:
98.0 Inches
184.7 Inches
69.0 Inches
47.7 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
36.2 Inches
47.9 Inches
48.8 Inches
42.1 Inches
Coupe
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.5 Inches
4.3 Inches
EXTERIOR DIMENSIONS:
Wheelbase:
Overall Length:
Total Body Width:
Overall Height:
98.0 Inches
184.7 Inches
69.0 Inches
47.8 Inches
INTERIOR DIMENSIONS
Headroom:
Shoulder Room:
Hip Room:
Leg Room:
37.1 Inches
47.9 Inches
48.8 Inches
42.1 Inches
Soft Top
Track Width, Front:
Track Width, Rear:
Min. Ground Clearance:
58.7 Inches
59.5 Inches
4.3 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

3,414
3,407
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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)
19 for 350ci. engine
24 for 454ci. 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
15

3.4
2.92
37 ft. (outside front)
38.6 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
639.4
WHEELS/TIRES:
Wheel Type:
Standard:
Wheels, size:
Standard:
Tire, size:
Standard:
         QRM:
QRZ:
Inflation (cold)
Front:
Rear:
Short-spoke spider, welded steel

15" x 8.00

GR70 x 15 -- Blackwall Steel Belted Radial
GR70 x 15 -- White Stripe Steel Belted Radial
GR70 x 15 -- White Letter Steel Belted Radial

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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
RPO YJ8 Cast Aluminum Wheels
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