1987 Corvette

V.I.N. NUMBERS

The serial number [Vehicle Identification Number -- VIN] was stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.

The Coupe serial numbers ranged from 1G1YY21*2H5100001 to 1G1YY21*2H5130632

The Convertible serial numbers ranged from 1G1YY31*2H5100001 to 1G1YY31*2H5130632

Position	Character	Description
1	1	US built
2	G	General Motors product
3	1	Chevrolet Motor Division vehicle
4	Y	Type of restraint system
5	Y	Corvette car line series
6	2 or 3	Body style number 2 = Two door hatchback style 07, 08, 77, or 87 3 = Two door convertible style 67
7	1 or 2	1=Manual seat belts 2=Automatic seat belts
8	8	5.7-liter Tuned-Port-Injection Chevrolet or GM of Canada V8
9	?	A 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
10	H	The model year where 1987
11	5	Bowling Green, KY
12-17	100001 and up	production sequence for coupes and convertibles

Position

Character

Description

US built

General Motors product

Chevrolet Motor Division vehicle

Type of restraint system

Corvette car line series

2 or 3

Body style number

2 = Two door hatchback style 07, 08, 77, or 87
3 = Two door convertible style 67

1 or 2

1=Manual seat belts
2=Automatic seat belts

5.7-liter Tuned-Port-Injection Chevrolet or GM of Canada V8

A 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

The model year where 1987

Bowling Green, KY

12-17

100001 and up

production sequence for coupes and convertibles

Corvette engines have the last six digits of the VIN stamped on the block just ahead of the cylinder head on the right-hand side combined with a three-letter engine code suffix

Also cast into the top rear of the block is a four-symbol code indicating when the engine was built

The first letter of the date code shows the month the block was cast
The one or two numbers shows the month
The last digit shows the year

Engine suffixes:

Code	Engine	Horsepower	Compression	Transmission	Fuel Supply	Extra features
ZJN	L98 350-cid	240-hp V-8	9.5:1	THM automatic	tuned port injection
ZLC	L98 350-cid	240-hp V-8	9.5:1	manual	tuned port injection	engine oil cooler
ZLB	L98 350-cid	240-hp V-8	9.5:1		tuned port injection	for export
ZLA	L98 350-cid	240-hp V-8	9.5:1	THM automatic	tuned port injection

The 1987 Corvette exterior colors were:

13 = Silver Metallic;
18 = Medium Gray Metallic;
20 = Medium Blue Metallic
35 = Yellow
40 = White
41 = Black
53 = Gold Metallic
59 = Silver Beige Metallic;
66 = Copper Metallic
69 = Medium Brown Metallic
74 = Dark Red Metallic
81 = Bright Red
13/18 = Silver and Gray
18/41 = Gray and Black
40/13 = White and Silver
59/69 = Silver Beige and Medium Brown.

Upholstery Codes

Color	Cloth Upholstery	Leather Upholstery
Green	12C
Medium Gray	15C	152
Blue	21C	212
Saddle	62C	622
Bronze	65C	652
Graphite		122
Red		732

IDENTIFICATION

Model	Model No.	Body/Style No.	Body Type	Factory Price	Shipping Weight	Production Total
Coupe	1Y	Y07	2-dr. Hatch Coupe - 2 passenger	$27,999	3216	20,007
Convertible	1Y	Y67	2-dr. Convertible - 2 passenger	$33,172	3279	10,625

Model

Model No.

Body/Style No.

Body Type

Factory Price

Shipping Weight

Production Total

Coupe

Y07

2-dr. Hatch Coupe - 2 passenger

$27,999

3216

20,007

Convertible

Y67

2-dr. Convertible - 2 passenger

$33,172

3279

10,625

ENGINE

Feature	Standard Engine (RPO L98)
Type	V-8, 90-degree Overhead valve
Block	Cast iron block and aluminum cylinder head
Displacement	350 cid (5.7 liters)
Bore & Stroke	4.00" x 3.48"
Compression ratio	9.5:1
Brake horsepower	240 @ 4000
Torque	345 lb-ft @ 3200
Main bearing	five
Valve lifters	hydraulic
Fuel supply	Tuned-port induction (TPI) system

Feature

Standard Engine (RPO L98)

Type

V-8, 90-degree Overhead valve

Block

Cast iron block and aluminum cylinder head

Displacement

350 cid (5.7 liters)

Bore & Stroke

4.00" x 3.48"

Compression ratio

9.5:1

Brake horsepower

240 @ 4000

Torque

345 lb-ft @ 3200

Main bearing

five

Valve lifters

hydraulic

Fuel supply

Tuned-port induction (TPI) system

TRANSMISSION

Automatic Transmission

Four-speed Turbo Hydra-Matic (TMH 700-R4)
floor-mounted gear shifter
gear ratios
- 1st = 3.06:1
- 2nd = 1.63:1
- 3rd = 1.00:1
- 4th = 0.70:1
- Rev = 2.29:1
Final drive ratio: 2.59:1 or 3.07:1

Manual Transmission

Four-speed manual with overdrive
floor-mounted gear shifter
gear ratios
- 1st = 2.88:1
- 2nd = 1.91:1
- 3rd = 1.33:1
- 4th = 1.00:1
- overdrive = 0.67:1
- Rev = 2.78:1
Final drive ratio: 3.07:1

CHASSIS

Feature	Coupe	Convertible
Wheelbase	96.2 inches (2.443 m)
Overall length	176.5 inches (4.483 m)
Overall width	71.0 inches (1.803 m)
Overall height	46.4 inches (1.179 m)
Front tread	59.6 inches (1.514 m)
Rear tread	60.4 inches (1.534 m)
Standard Wheel size	16 x 8.5 inches
Standard Tires	P245/50VR-16 or P255/50VR-16 SBR
Steering	rack and pinion (power assisted)
Front suspension	Single fiberglass composite monoleaf transverse spring with unequal-length aluminum control arms and stabilizer bar
Rear suspension	Fully independent five-link system with transverse fiberglass single-leaf springs, aluminum upper/lower trailing links and strut-rod tie-rod assembly
Brakes	Four-wheel power disc
Body construction	Unibody with partial front frame
Fuel tank	20 US Gal (16.7 Imp Gal) (76 liters)

Feature

Coupe

Convertible

Wheelbase

96.2 inches (2.443 m)

Overall length

176.5 inches (4.483 m)

Overall width

71.0 inches (1.803 m)

Overall height

46.4 inches (1.179 m)

Front tread

59.6 inches (1.514 m)

Rear tread

60.4 inches (1.534 m)

Standard Wheel size

16 x 8.5 inches

Standard Tires

P245/50VR-16 or P255/50VR-16 SBR

Steering

rack and pinion (power assisted)

Front suspension

Single fiberglass composite monoleaf transverse spring with unequal-length aluminum control arms and stabilizer bar

Rear suspension

Fully independent five-link system with transverse fiberglass single-leaf springs, aluminum upper/lower trailing links and strut-rod tie-rod assembly

Brakes

Four-wheel power disc

Body construction

Unibody with partial front frame

Fuel tank

20 US Gal (16.7 Imp Gal) (76 liters)

OPTIONS

RPO AC1	Power passenger seat	$240
RPO AC3	Power driver seat	$240
RPO AQ9	Leather sports seats	$1025
RPO AR9	Base leather seats	$400
RPO AU3	Power door locks	$190
RPO B2K	Callaway Twin Turbo installed by Callaway Engineering	$19,995
RPO B4P	Radiator boost fan	$75
RPO C2L	Dual removable roof panels for coupe	$915
RPO 24S	Removable roof panels with blue tint for coupe	$615
RPO 64S	Removable roof panels with bronze tint for coupe	$615
RPO C68	Electronic air conditioning control	$150
RPO DL8	Twin remote heated mirrors for convertible	$35
RPO D74	Illuminated driver vanity mirror	$58
RPO D84	Two-tone paint on hatchback	$428
RPO FG3	Delco-Bilstein shock absorbers	$189
RPO G92	Performance axle ratio 3.07:1	$22
RPO KC4	Engine oil cooler	$110
RPO K34	Cruise control	$185
RPO MM4	Four-speed manual transmission	no-cost option
RPO NN5	California emissions requirements	$99
RPO UL5	Radio delete	$256 credit
RPO UM6	AM-FM stereo radio with cassette	$132
RPO UU8	Delco-Bose stereo system	$905
RPO V0l	Heavy-duty radiator	$40
RPO Z51	Performance handling package for hatchback	$795
RPO Z52	Sport handling package	$470
RPO Z6A	Rear window and side mirror defoggers for coupe	$165

RPO AC1

Power passenger seat

$240

RPO AC3

Power driver seat

$240

RPO AQ9

Leather sports seats

$1025

RPO AR9

Base leather seats

$400

RPO AU3

Power door locks

$190

RPO B2K

Callaway Twin Turbo installed by Callaway Engineering

$19,995

RPO B4P

Radiator boost fan

$75

RPO C2L

Dual removable roof panels for coupe

$915

RPO 24S

Removable roof panels with blue tint for coupe

$615

RPO 64S

Removable roof panels with bronze tint for coupe

$615

RPO C68

Electronic air conditioning control

$150

RPO DL8

Twin remote heated mirrors for convertible

$35

RPO D74

Illuminated driver vanity mirror

$58

RPO D84

Two-tone paint on hatchback

$428

RPO FG3

Delco-Bilstein shock absorbers

$189

RPO G92

Performance axle ratio 3.07:1

$22

RPO KC4

Engine oil cooler

$110

RPO K34

Cruise control

$185

RPO MM4

Four-speed manual transmission

no-cost option

RPO NN5

California emissions requirements

$99

RPO UL5

Radio delete

$256 credit

RPO UM6

AM-FM stereo radio with cassette

$132

RPO UU8

Delco-Bose stereo system

$905

RPO V0l

Heavy-duty radiator

$40

RPO Z51

Performance handling package for hatchback

$795

RPO Z52

Sport handling package

$470

RPO Z6A

Rear window and side mirror defoggers for coupe

$165

HISTORICAL NOTES

1987 Corvette Notes

Introduced: October 9, 1986.
Model-Year Production: 30,632.
Calendar-year production (U.S.): 28,514.
Model-year sales by U.S. dealers: 25,266.
A $19,995 Callaway Twin-Turbo engine package could be ordered through specific Chevrolet dealers as B2K.
Cars that received this package were sent from Bowling Green, Kentucky, to the Callaway factory in Old Lyme, Connecticut, to receive engine modifications and other upgrades.
A total of 184 Callaway Twin-Turbos were built (21 coupes and 63 convertibles).
The 1987 Callaways had 345 hp and 465 lbs.-ft. of torque.
All had manual transmissions and were not certified for sale in the state of California.
For 1987 Callaway Twin-Turbo Corvettes a different engine-coding system was used.
Callaway engines were stamped with the first two symbols indicating model year, followed by three symbols indicating order in the Callaway production sequence, followed by four symbols matching the last four digits of the Chevrolet VIN.

Chevrolet Corvette Service Repair Manuals

1987 CORVETTE