46.776 Corvettes were built in 1978. 40.274 Coupes and 6.502 Pace Car Coupe.
The Vehicle Identification Numbers, VIN were 1Z87L8S400001 through 1Z87L8S440274
The Vehicle Identification Numbers, VIN for the Pace Car were 1Z87L8S900001 through 1Z87L8S906502
Fifth digit varies as follows: L=350 CID 175 HP & 185 HP / 4=350 CID 220 HP

Cubic Inch 350 350
HP @ RPM 185 @ 4000 220 @ 5200
Torque  RPM 280 @ 2400 260 @ 2600
Comp. Ratio 8.2:1 8.9:1
Bore & Stroke 4.000x3.480 4.000x3.480
Carburator 4bbl 4bbl
In Manifold NIY1 NIY
Valve Lifters NIY NIY
Exhaust NIY NIY
Oil Capacity 4 QT 4 QT
Spark Plugs R45TS R45TS
1 = No Information Yet
3970010 350 CID - All
376450 Uncertain Usage
460703 Uncertain Usage
462624 350 CID - All
350 Cubic Inch Engine CODE
185 HP with Manual transmission CHW
185 HP with Automatic transmission CLM / CUT
175 HP with Automatic transmission - California Emission CLR
180 HP with Automatic transmission - High altitude CLS
220 HP with Manual transmission CMR
220 HP with Automatic transmission CMS
Ratio and Type CODE
3.08 Positraction OK
3.36 Positraction OM
3.55 Positraction OH
3.70 Positraction OJ
Color CODE
Classic White 10
Silver / Silver Anniversary 13 / 07
Black / Black/Silver 19 / 47
Corvette Light Blue 26
Corvette Light Beige 59
Corvette Mahogny 82
Corvette Yellow 52
Corvette Red 72
Corvette Dark Blue 83
Corvette Dark Brown 89
© Tommy Ledberg