item
number
description*

VIN
1Z8748S414342
The first digit, "1," indicated the Chevrolet division of GM.  The "Z" is the series, Corvette.  The "87" is the body style, 2-door sport coupe.  The fifth digit is the engine, 4, correct for an L82 car.  The sixth digit, "8," indicates the model year, 1978.  The "S" is the plant where the car was produced, St. Louis.  The last five digits are a sequence number so this is the 14,342nd Corvette made for 1978.

Body Build Date
D21
"D" corresponds to December and "21" is the twenty first day of the month meaning this Corvette's body build date is December 21st, 1977.

Engine Code
V1210
"V" means the engine was build in the Flint, MI plant.  The "12" is the twelveth month of year and the "10" is the tenth day of the month meaning the engine was assembled on December 10th, 1977.  This is correct as it precedes the build date of the car.

Suffix Code
CMS
This means the motor was intended for a 1979 L82 Corvette with an automatic transmission, which is correct for this car.

Engine VIN Stamp
414342
The last 6 digits of the car's VIN, 414342, 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 1978 Corvette.

Engine Block Casting Date
L 7 7
"L" is November, "7" is the seventh day of the month, and "7" is the last digit of the calendar year so the engine block was cast on November 7th, 1977. 

Distributor
1103291
This distributor is correct and original for a 1978 L82 corvette with a 1103291 stamping.

Distributor Date Code
7 L 9
"7" is the year, "L" is the month and "9" is the day meaning this distributor was made on November 9th, 1977

Carburetor
17058228
The carb is correct and original for a 1979 Corvette with an automatic transmission with 17058228 stamped on the housing.

Carburetor Date Code
3327
"332" is the day from January 1st, 1977, and "8" is the last digit of the calendar year, meaning this carb was made on November 28th, 1977

Transmission Casting Number
8640300
The main case of the transmission has a correct 8640300 casting number.

Transmission Casting Date
11-77 21
The "11" is the eleventh month of the year, the "77" is the year, and the "21" is the day of the month so this transmission main case was cast on November 21st, 1977, this is correct as it predates he assembly of the transmission.

Transmission VIN Stamping
414342
The last 6 digits of the car's VIN, 414342, are stamped on the main case of the transmission and pictured below meaning this transmission is original to this car.

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

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

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

exterior color code

13
Silver

7
Dark Gray

interior color code

192
Black

rpo code
description

1YZ87
Corvette Sport Coupe

A31
Power Windows

B2Z
Silver Anniversary Paint

C49
Rear Window Defogger

C60
Air Conditioning

D35
Sport Mirrors

FE7
Gymkhana Suspension

K30
Cruise Control

L82
High Performance 350ci V8 Engine

MX1
Automatic Transmission

NA5
Standard Emissions

N37
Tilt-Telescopic Steering Column

QGR
225/70R15 White Letter Tires

UN1
Heavy Duty Battery

U58
AM-FM Stereo Radio

U75
Power Antenna

YJ8
Aluminum Wheels

ZX2
Convenience Group