item
number
description*

VIN
1Z87L8S418367
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, L, correct for an L48 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 18,367th Corvette made for 1978.

Body Build Date
F01
"F" corresponds to February and "01" is the first day of the month meaning this Corvette's body build date is February 1st, 1978.

Engine Code
V0117
"V" means the engine was build in the Flint, MI plant.  The "01" is the first month of year and the "17" is the seventeenth day of the month meaning the engine was assembled on January 17th, 1978.  This is correct as it precedes the build date of the car.

Suffix Code
CUT
This means the motor was intended for a 1978 Corvette with an automatic, which is correct for this car.

Engine VIN Stamp
418367
The last 6 digits of the car's VIN, 418367, 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
A 16 8
"A" is January, "16" is the sixteenth day of the month, and "8" is the last digit of the calendar year so the engine block was cast on January 16th, 1978. 

Intake Manifold Casting Number
346249
This intake manifold is correct and original for a 1978 corvette with a 346249 casting number

Intake Manifold Casting Date
A 6 8
"A" is January, "6" is the sixth day of the month, and "8" is the last digit of the calendar year so the engine block was cast on January 6th, 1978. 

Alternator
1102908
This alternator is correct and original for a 78 corvette with A/C with a 1102908 stamping

Alternator Date Code
8 A 18
The "8" is the last digit of the calendar year, the "A" denotes January, and "18" is the eighteenth day of the month meaning the distributor was made on January 18, 1978. This is correct as it predates the assembly date of the engine.

Carburetor
17057204
The carburetor is correct and original for a 78 corvette with a 17058204 stamping.

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.

Passenger  Window
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.

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

exterior color code

13
Silver

7
Dark Grey

interior color code

122
Oyster

rpo code
description

1YZ87
Corvette Sport Coupe

A31
Power Windows

B2Z
Silver Anniversary Paint

C49
Rear Window Defogger

C60
Air Conditioning

D35
Sport Mirrors

MX1
Automatic Transmission

N37
Tilt/Telescopic Steering Column

QGR
225/70R15 White Letter Tires

U58
AM-FM Stereo Radio

U81
Dual Rear Speakers

YJ8
Aluminum Wheels