1974 CORVETTE TRANSMISSION IDENTIFICATION AND TRANSMISSION NUMBER
Location:

Transmission Identification Example:

WD - Type Designation. WD - 4-Speed / CK - Turbo Hydra-matic
P - Source Designation.
P - Muncie
4 - Year. 4 - 1974
E01D - Production Month and Date.
E - Designates Month (See Chart Below.)
A - Jan. / B - Feb. / C - Mar. / D - Apr. / E - May / H - June / K - July / M - Aug. / P - Sept. / R - Oct. / S - Nov. / T - Dec.
01 - Designates Day of the month.
D or N - Designates Day or Night Shift on Automatic only.
1974 CORVETTE ENGINE IDENTIFICATION AND ENGINE NUMBER
Location: 

Engine Identification Example:

V - Engine build location.
T - Tonawanda, NY. (All big block engines.)
V - Flint, MI. (All small block engines.)
0127 - Date Code. Month and Day. 0127 - January 27.
CKZ - Type Designation. CKZ - 350ci 195hp, manual transmission.
         (Refer to the Engine Suffix section of the 1974 Corvette Specification Page for a list of all Type Designations.)

Engine Number Example:

1 - Division. 1 - Chevrolet
3 - Model year. 3 - 1974
S - Assembly Plant Designation. S - St. Louis
400001 - VIN Sequential Serial Number
C3 --
Corvette Overview --
1974 VIN/Options
THE C3 CORVETTE - VIN/OPTIONS
1974 CORVETTE VEHICLE IDENTIFICATION NUMBERS (VIN)
1Z37J4S400001 - 1Z37J4S437502 (Corvette Coupe & Convertible)

1 (First Digit) - Make/Manufacturer.  1 - Chevrolet
Z (Second Digit) - Model series.  Z - Corvette
37 (Third and Fourth Digits).  37- Corvette Coupe / 67 - Corvette Convertible
J (Fifth Digit) - Engine type.  J - Base Engine / T - L82 / Z - LS4
4 (Sixth Digit) - Model Year.  4 - 1974
S (Seventh Digit) - Vehicle Assembly Location. S - St. Louis, Missouri
4XXXXX (Eighth thru Thirteenth Digits) - Plant Sequence Numbers. 

VIN PLATE
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Link to 1973 Corvette VIN / Options
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1974 CORVETTE BODY NUMBER TRIM AND POINT PLATE
Location:

Example:








A01 - Body build date code.
A - Designates the Month (See Chart Below).
A - Aug., 1973B - Sep., 1973C - Oct., 1973D - Nov., 1973E - Dec, 1973F - Jan., 1974
G - Feb., 1974H - Mar., 1974  I - Apr., 1974J - May, 1974  K - June, 1974        L - Jul., 1974
M - Aug., 1974         N - Sept., 1974
01 - Designates the Day of the Month.
400 - Interior Trim code. 400 - Black (Vinyl)
(Refer to the Interior Color Codes section of the 1974 Corvette Specification Page for a list of all Trim codes.)
56L - Exterior Color Code. 56 - Bright Yellow
         (Refer to the Color Codes section of the 1974 Corvette Specification Page for a list of all exterior color codes.)
BODY NUMBER TRIM AND POINT PLATE
1974 Corvette Body Number Trim and Point Plate
1974 CORVETTE FACTORY OPTIONS
CODE:
1YZ37
1YZ67
---
A31
A85
C07
C08
C50
C60
FE7
---
J50
LS4
L82
M21
M40
N37
N41
QRM
QRZ
U05
U58
U69
UA1
UF1
YF5
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 Covered Auxiliary Hardtop
Rear Window Defogger
Air Conditioning
Gymkhana Suspension
Optional Rear Axle Ratios
Power Brakes
454ci, 270hp Engine
350ci, 250hp Engine
4-Speed Manual Transmission, close-ratio
Turbo-Hydro-matic Automatic Transmission
Tilt-Telescopic Steering Column
Power Steering
White Stripe Steel Belted Tires, GR70x15
White Letter Steel Belted Tires, GR70x15
Dual Horns
AM-FM Radio, Stereo
AM-FM Radio
Heavy Duty Battery (std with LS4)
Map Light (on rearview mirror)
California Emission Test
Off Road Suspension and Brake Package
QUANTITY:
32,028
5,474
19,959
23,940
618
2,612
367
9,322
29,397
1,905
1,219
33,306
3,494
6,690
3,494
25,146
27,700
35,944
9,140
24,102
5,258
19,581
17,374
9,169
16,101
---
47
RETAIL PRICE:
$6,001.50
$5,765.50
$154.00
$86.00
$41.00
$267.00
$329.00
$43.00
$467.00
$7.00
$12.00
$49.00
$250.00
$299.00
$0.00
$0.00
$82.00
$117.00
$32.00
$45.00
$4.00
$276.00
$173.00
$15.00
$5.00
$20.00
$400.00
Base Corvette Sport Coupe (1YZ37) -  The base price of the 1974 Chevrolet Corvette Coupe without any optional equipment.

Base Corvette Convertible (1YZ67) - The base price of the 1974 Corvette Convertible without any optional equipment.

Custom Interior ( --- ) - Optional interior trim upgrade that included a number of custom modifications to the base interior.

Power Windows (A31) - Factory installed power driver and passenger windows.

Custom Shoulder Belts (A85) - An addition to the standard lap safety belt that crosses over the shoulder for added safety.

Auxiliary Hardtop (for convertibles) (C07) - An optional hard-top that could be installed in lieu of the convertible top.

Vinyl Covered Auxiliary Hardtop (C08) - This option allowed consumers to install an auxiliary hardtop on convertible models.

Rear Window Defogger (C50) - An optional rear window forced air defogger.

Air Conditioning (C60) - Factory installed air-conditioning.

Optional Rear Axle Ratio  - Rear axle ratio selection.

Gymkhana Suspension (FE7) - An optional, heavier-duty suspension system for higher levels of performance.

Power Brakes (J50) - Vacuum power assisted brakes; includes dual circuit master cylinder.

454ci, 270hp Engine (LS4) - Optional high-output, big-block V-8 engine.

350ci, 250hp Engine (L82) - Optional higher-output, small block V-8 engine.

4-Speed Manual Transmission, Close Ratio (M21) - A close ratio version of the M20 Muncie 4-speed manual transmission.

Turbo Hydra-Matic Automatic Transmission (M40) - An optional, three-speed automatic transmission.

Tilt Telescopic Steering Column (N37) - An optional, adjustable steering column and tilt-angle adjustable steering wheel.

Power Steering (N41) - Hydraulically assisted power steering.

White Stripe Steel Belted Tires, GR70x15 (QRM) - Standard size tires with a special 3/8"  wide white sidewall stripes.

White Letter Steel Belted Tires, GR70x15 (QRZ) - Standard size tires with special raised white lettering.

Dual Horns (U05) - An optional, dual tone horn.

AM-FM Radio, Stereo (U58) - A standard/stock dealer installed Corvette radio.

AM-FM Radio (U69) - A standard/stock dealer installed Corvette radio.

Heavy Duty Battery (std. with LS4) (UA1) - Optional, heavier-duty battery with increased cranking amps/capability.

Map Light (on rearview mirror) (UF1) - Light mounted on inside rearview mirror.

California Emission Test (YF5) - An assembly line emissions test to conform with California registration requirements.

Off Road Suspension and Brake Package (Z07) -Stiffer suspension/brake package for more rugged driving conditions.

NOTES:

1974 CORVETTE VEHICLE SERIAL NUMBER PLATE
VIN PLATE
1974 Corvette VIN Plate Location
Figure 1
1974 Corvette Coupe