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1990 Corvette

Wheelbase: 96.2" Track: 59.6" Front / 60.4" Rear Height: 46.7" Coupe
Length: 176.5" Width: 71" Curb Weight: 3,288 lbs.
Tire Size: P275/40ZR17 Plant: Bowling Green

The ZR1 made it's debut as a 1990 model after much anticipation. LT5 Engines were manufactured by Mercury Marine in Stillwater, OK then shipped the Corvette Bowling Green assembly plant for ZR1 assembly. A Team of ZR1 Corvettes set over a dozen records for speed and endurance, such as averaging 175MPH for 24 hours Straight in Fort Stockton, Texas.

1990 Options:

Code Description Quantity
1YY07 Base Corvette Sport Coupe 16,016
1YY67 Base Corvette Convertible 7,630
AC1 Power Passenger Seat 20,419
AC3 Power Driver Seat 23,109
AQ9 Sport Seats - Leather 11,497
AR9 Base Seats - Leather 11,649
BK2 Callaway Twin Turbo 58
CC2 Auxiliary Hard Top - Convertible 2,371
C2L Dual Removable Roof Panels 6,422
24S Removable Roof Panel Blue Tint 7,852
64S Removable Roof Panel Bronze Tint 4,340
C68 Electronic Air Conditioning Control 22,497
FX3 Selective Ride Handling, Electronic 7,576
G92 Performance Axle Ratio 9,362
K05 Engine Block Heater 1,585
KC4 Engine Oil Cooler 16,220
MN6 Six Speed Manual Transmission 8,100
NN5 California Emission Requirements 4,035
UJ6 Low Tire Pressure Warning Indicator 8,432
UU8 AM/FM Stereo Delco-Bose 6,401
V56 Luggage Rack (Convertible) 1,284
Z51 Performance Handling Package 5,446
ZR1 Special Performance Package (Coupe Only) 3,049

RPO ZR1 included unique body work to accept Goodyear Z-rated P315/35ZR17 tires on 11 inch wide rear rims. The LT-5 32 valve engine was exclusive to ZR1. VIN Numbers: 1G1YY2380L5100001 through 1G1YY2380L5120597. 1G1YZ23J6L5800001 through 1G1YZ23J6L5803049 for ZR1

For Convertibles, the sixth digit is a "3"

The 9th Digit is a check code, and varies.


ZSA: 350ci 245/250hp MT, OC ZSD: 350ci 375hp AT
ZSB: 350ci 245/250hp MT, OC ZSH: 350ci 375hp EA
ZSC: 350ci 245/250hp AT, OC

CE=California Emissions, EX=Export, MT=Manual Trans, AT=Automatic Trans, AC=Air Conditioning, AH=Aluminum Heads, EA=Electronic Air Conditioning Control, OC=Engine Oil Cooler

Base Engine: 350ci V8 245/250hp