item
number
description*

VIN
1Z37L7S438982
The first digit, "1," indicated the Chevrolet division of GM.  The "Z" is the series, Corvette.  The "37" is the body style, 2-door sport coupe.  The fifth digit is the engine, L, correct for an L48 car.  The sixth digit, "7," indicates the model year, 1977.  The "S" is the plant where the car was produced, St. Louis.  The last five digits are a sequence number so this is the 38,982nd Corvette made for 1977.

Body Build Date
K18
"K" corresponds to June and "18" is the eighteenth day of the month meaning this Corvette's body build date is June 18th, 1977.

Engine Code
V0607
"V" means the engine was build in the Flint, MI plant.  The "06" is the sixth month of year and the "07" is the seventh day of the month meaning the engine was assembled on June 7th, 1977.  This is correct as it precedes the build date of the car.

Suffix Code
CLA
This means the motor was intended for a L48 1977 Corvette with an automatic transmission, which is correct for this car.

Engine VIN Stamp
438982
The last 6 digits of the car's VIN, 438982 are stamped on the engine pad and pictured below, meaning this engine is original to this car.

Engine Block Casting Number
3970010
The engine block has the correct 3970010 casting number for a 1977 Corvette.

Engine Block Casting Date
F 2 7
"F" is June, "2" is the second day of the month, and "7" is the last digit of the calendar year so the engine block was cast on June 2nd, 1977. 

Intake Manifold Casting Number
346249
The intake manifold is original and correct for a 77 Corvette with an automatic transmission with a 346249 stamping.

Intake Manifold Casting Date
E 31 7
"E" is the month May, "31" is the thirty first day of the month, and "7" is the last digit of the calendar year, Meaning this intake manifold was casted on May 31st, 1977.

Distributor
1103256
The distributor is original and correct for a 77 Corvette with an automatic transmission with a 1103256 stamping.

Distributor Date Code
7 F 17
The "7" is the last digit of the calendar year, the "F" denotes June, and "17" is the seventeenth day of the month meaning the distributor was made on June 17th, 1977. This is correct as it predates the assembly date of the engine.

Carburetor
17057204
This carburetor is correct and original for a L48 1977 corvette with an automatic transmission

Carburetor Date Code
1587
"158" is the 158th day from January 1st 1977, and "7" is the last digit of the calendar year meaning this carburetor was made on June 7th, 1977.

Windshield
JG
"J" is May and "G" is 1977 so this window is original, made in May of 1977.  This is correct as it predates the build date of the car.

Driver's Window
JG
"J" is May and "G" is 1977 so this window is original, made in May of 1977.  This is correct as it predates the build date of the car.

Passenger  Window
GG
"G" is April and "G" is 1977 so this window is original, made in April of 1977.  This is correct as it predates the build date of the car.

Rear Window
JG
"J" is May and "G" is 1977 so this window is original, made in May of 1977.  This is correct as it predates the build date of the car.

Transmission Main Case Casting Number
8640300
The Main case of the transmission has the correct 8640300 casting number

Transmission Main Case Casting Date
5-77 9
"5" is the month, "77" is the year, and "9" is the day meaning this transmission was cast on May 9th, 1977

Transmission VIN Stamping
438982
The last 6 digits of the car's VIN, 441570 are stamped on the transmission and pictured below, meaning this engine is original to this car.

exterior color code

19
Black

interior color code

642
Buckskin

rpo code
description

1YZ87
Corvette Sport Coupe

A31
Power Windows

B32
Color Keyed Floor Mats

C49
Rear Window Defogger

C60
Air Conditioning

D35
Sport Mirrors

K30
Cruise Control

J50
Power Brakes

L48
350ci V8 Engine

M40
Automatic Transmission

N37
Tilt and Telescopic Steering Column

N41
Power Steering

QRZ
White Letter Tires

UA1
Heavy Duty Battery

U58
AM-FM Radio, Stereo

YJ8
Aluminum Wheels

ZX2
Convenience Group