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The 1985 Chevrolet Corvette

1985 Blue Corvette Coupe

The 1985 Corvette replaced the 205 horsepower L83 engine with the L98 230 horsepower engine with Bosch tuned port fuel injection. Torque also increased from 290 lb-ft of torque to 330 lb-ft. Because of critizism about the harsh ride of the car the spring rates were reduced 26% in front and 25% in the rear. A "Tuned Port Injection" badge appeared on the side of the Vette to go along with the new engine. The red and silver paint colors were changed slightly to make them more attractive. The Z51 handling package now included 9.5-inch wheels all around, with Delco-Bilstein gas-charged shock absorbers, thicker stabilizer bars and a heavy-duty cooling system. The instrument cluster was updated to make it more readable.

Production Options and Build Statistics

Total 1985 Corvettes Built - 39,729

Serial Numbers
Coupe07x7F5100001 - 1G1YY07x7F5139729

The "Vehicle Identification Number" (also VIN or serial number) is stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.

Serial Number Decoder

11US Built
2GGeneral Motors Product
31Chevrolet Motor Division Vehicle
4YType of restraint system
6-707Body style number: two-door hatchback coupe
885.7-liter Tuned-Port-Injection (TPI) Chevrolet V8
9A check digit that calculates the characters in the serial number and gives it a single digit code and can be used to verify that the serial number is legitimate
10FThe model year F=1985
115Bowling Green, Kentucky
12-17100001 and upProduction Sequence

Engine Serial Number Decoder

1985 Corvette engines have the last six digits of the VIN stamped on the block after the engine number. The date code the engine was manufactured was also cast into the block. The engine serial number includes a production sequence number starting with 0001001 and one of the suffixes below.

CodeEngineHorsepowerCompressionTransmissionFuel SupplyExtra Features
ZDFL98 350-cid230-hp V-89.0:1THM automatictuned port injection
ZJBL98 350-cid230-hp V-89.0:1manualtuned port injection
ZJCL98 350-cid230-hp V-89.0:1THM automatictuned port injectionfor export
ZJJL98 350-cid230-hp V-89.0:1THM automatictuned port injectionengine oil cooler
ZJKL98 350-cid230-hp V-89.0:1manualtuned port injectionengine oil cooler

Production Options

1YY07Base Coupe$24,403.00 39,729 100.0%
AG9Power Driver Seat$215.00 37,856 95.3%
AQ9Leather Sport Seats$1,025.00 N/A N/A
AR9Base Leather Seats$400.00 N/A N/A
N/ACloth Sport Seats$625.00 5,661 14.2%
AU3Power Door Locks$170.00 38,294 96.4%
CC3Removable Transparent Roof Panel$595.00 28,143 70.8%
D84Two-Tone Paint$428.00 6,033 15.2%
FG3Delco Bilstein Shock Absorbers$189.00 9,333 23.5%
G92Performance Axle Ratio$22.00 5,447 13.7%
K34Cruise Control$185.00 38,369 96.6%
MM44-spd, Manual Trans.$0.00 9,576 24.1%
UL5Radio DeleteN/A 172 0.4%
UN8AM-FM Stereo, CB$215.00 16 0.0%
UU8Delco Bose Stereo System$895.00 35,998 90.6%
V01Heavy Duty Cooling$225.00 17,539 44.1%
Z49Canadian Base EquipmentN/A N/A N/A
Z51Performance Handling Pkg.$470.00 14,802 37.3%
Z6ARear Window/Side Mirror Defoggers$160.00 37,720 94.9%
AX4European Belt SystemN/A N/A N/A
A26Glass - European GlazingN/A N/A N/A
C49Electric Rear DefoggerN/A N/A N/A
DD9Electric Outside Rear View MirrorsN/A N/A N/A
G95Axle Economy RatioN/A N/A N/A
K05Engine Block HeaterN/A N/A N/A
L98Engine, 5.7L V8, TPIN/A N/A N/A
MX0Auto. Transmission w/ OverdriveN/A N/A N/A
NN5California Emission OverrideN/A N/A N/A
QZDP255/50VR16, Steel Belt Radial TiresN/A N/A N/A
T72Left Rule of Road HeadlampsN/A N/A N/A
T84Left Rule of Road HeadlampsN/A N/A N/A
T89Tail/Stop Lamp Assembly, EuropeanN/A N/A N/A
UD2Alarm/Vehicle Speed (105 KH)N/A N/A N/A
UD6Alarm - Exhaust TemperatureN/A N/A N/A
UK1Japanese Radio FrequencyN/A N/A N/A
UL2European Radio FrequencyN/A N/A N/A
UM6Electric Tuned AM-FM Stereo w/ CassetteN/A N/A N/A
U03Horn Noise RegulatorN/A N/A N/A
U18Export SpeedometerN/A N/A N/A
VD1European ModificationsN/A N/A N/A
VE1Japanese ModificationsN/A N/A N/A
V08Heavy Duty CoolingN/A N/A N/A
V70Front Tow Hook - ExportN/A N/A N/A

Color Options for 1985

Interior options for exterior colors are suggested by Chevrolet. Any combination could be ordered.
Interior Color
13Silver Metallic$0.00GR-MG 1,752 4.4%
18Medium Gray Metallic$0.00GR-MG 2,519 6.3%
20Light Blue Metallic$0.00MB 1,021 2.6%
23Medium Blue Metallic$0.00MB 2,041 5.1%
40White$0.00CA-GR-S-MB-MG 4,455 11.2%
41Black$0.00CA-GR-S-MG 7,603 19.1%
53Gold Metallic$0.00S 1,411 3.6%
63Light Bronze Metallic$0.00BR 1,440 3.6%
66Dark Bronze Metallic$0.00BR 1,030 2.6%
81Bright Red$0.00CA-GR-S-MG 10,424 26.2%
13/18Silver/Gray$0.00GR-MG 2,170 5.5%
20/23Light Blue/Medium Blue$0.00MB 1,470 3.7%
63/66Light Bronze/Dark Bronze$0.00BR 2,393 6.0%
Color Codes: BR=Bronze, CA=Carmine, GR=Graphite, MB=Medium Blue, MG=Medium Gray, S=Saddle<
The last three RPOs have two paint colors in each. These are two-tone paint jobs that have one color on the top of the car and the other on the bottom.

Interior Colors

12CGraphite Cloth$0.00 818 2.1%
12VGraphite Sport Seat Cloth$0.00 1,763 4.4%
15CMedium Gray Cloth$0.00 571 1.4%
15VMedium Gray Sport Seat Cloth$0.00 1,045 2.6%
28CMedium Blue Cloth$0.00 957 2.4%
28VMedium Blue Sport Seat Cloth$0.00 1,365 3.4%
62CSaddle Cloth$0.00 349 0.9%
62VSaddle Sport Seat Cloth$0.00 607 1.5%
65CBronze Cloth$0.00 417 1.0%
65VBronze Sport Seat Cloth$0.00 881 2.2%
122Graphite Leather$0.00 9,346 23.5%
152Medium Gray Leather$0.00 3,579 9.0%
282Medium Blue Leather$0.00 2,121 5.3%
622Saddle Leather$0.00 3,759 9.5%
652Bronze Leather$0.00 3,878 9.8%
742Carmine Leather$0.00 8,272 20.8%

1985 Corvette Specifications

Mechanical Dimensions

Wheelbase96.2 inches (2.443 m)
Overall Length176.5 inches (4.483 m)
Overall Width71.0 inches (1.803 m)
Overall Height46.4 inches (1.179 m)
Front Tread59.6 inches (1.514 m)
Rear Tread60.4 inches (1.534 m)
Standard Wheel Size16 x 8.5 inches
Standard TiresP255/50VR-16 SBR
SteeringPower Rack and Pinion
Front SuspensionSingle fiberglass composite monoleaf transverse spring with unequal-length aluminum control arms and stabilizer bar
Rear SuspensionFully independent five-link system with transverse fiberglass single-leaf springs, aluminum upper/lower trailing links and strut-rod tie-rod assembly
BrakesFour-wheel power disc
Body ConstructionUnibody with partial front frame
Fuel tank20 US Gal (16.7 Imp Gal) (76 liters)

Engine Specifications

FeatureBase Engine RPO L98
TypeV-8, 90-degree Overhead valve
BlockCast Iron
Displacement350 cid (5.7 liters)
Bore & Stroke4.00" x 3.48"
Compression Ratio9.0:1
Brake Horsepower230 @ 4000
Torque330 lb-ft @ 3200
Main BearingFive
Valve LiftersHydraulic
Fuel SupplyTuned-port injection (TPI) system

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