1991 CORVETTE
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Not a year of great change after the launch of the ZR-1 the previous year.
Position | Character | Description |
---|---|---|
1 | 1 | US built |
2 | G | General Motors product |
3 | 1 | Chevrolet Motor Division vehicle |
4 & 5 | YY | Basic Corvette |
YZ | Corvette ZR-1 | |
6 | 2 or 3 | Body style number
|
7 | 1 or 2 | 1=Manual seat belts 3=Manual belts with driver-inflatable restraint system 4=Automatic belts |
8 | 8 | L98 5.7-liter Tuned-Port-Injection Chevrolet or GM of Canada V8 |
J | LT5 - 5.7-liter TPI V-8 | |
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 | M | The model year where 1991 |
11 | 5 | Bowling Green, KY |
12-17 | 100001 and up | production sequence for coupes and convertibles |
800001 and up | production sequence for ZR-1s |
Code | Engine | Horsepower | Compression | Transmission | Fuel | Supply | Extra features |
---|---|---|---|---|---|---|---|
ZTA | L98 350-cid | 245/250-hp V-8 | 10.0:1 | automatic | tuned port | injection | |
ZTB | L98 350-cid | 245/250-hp V-8 | 10.0:1 | manual | tuned port | injection | Engine oil cooler |
ZTC | L98 350-cid | 245/250-hp V-8 | 10.0:1 | automatic | tuned port | injection | Engine oil cooler |
ZTK | LT5 350-cid | 375-hp V-8 | 11.0:1 | manual | tuned port | injection |
Color | Cloth Upholstery | Leather Upholstery |
---|---|---|
Black | 19C | 193 |
Saddle | 60C | 603 |
Blue | 223 | |
Red | 733 | |
Gray | 903 |
Model | Model No. | Body/Style No. | Body Type | Factory Price | Shipping Weight | Production Total |
---|---|---|---|---|---|---|
Coupe | 1YY | Y07 |
![]() 2-dr. Hatch Coupe - 2 passenger |
$32,455 | 3223 | 14,967 |
Convertible | 1YY | Y67 |
![]() 2-dr. Convertible - 2 passenger |
$38,770 | 3263 | 5,672 |
ZR-1 | 1YZ | Z07 |
![]() 2-dr. Hatch Coupe - 2 passenger |
$64,138 | 3465 | 2,044 |
Feature | Standard Engine (RPO L98) | ZR-1 Engine (RPO LT5) |
---|---|---|
Type | V-8, 90-degree Overhead valve | V-8, 90-degree Overhead valve with 4 valves per cylinder and 4 overhead camshafts |
Block | Cast iron block and aluminum cylinder head | Cast iron block and cylinder head |
Displacement | 350 cid (5.7 liters) | 350 cid (5.7 liters) |
Bore & Stroke | 4.00" x 3.48" | 4.00" x 3.48" |
Compression ratio | 10.0:1 | 11.0:1 |
Brake horsepower | 245 @ 4000 (250-hp for hatchbacks using 3.07:1 rear axle due to use of low-restriction mufflers with this option combination only) | 375 @ 5800 rpm |
Torque | 340 lb-ft @ 3200 | 370 lb-ft @ 5600 |
Main bearing | five | five |
Valve lifters | hydraulic | hydraulic |
Fuel supply | Tuned-port induction (TPI) system | Tuned-port induction (TPI) system |
Feature | Coupe | Convertible | ZR-1 |
---|---|---|---|
Wheelbase | 96.2 inches (2.443 m) | 96.2 inches (2.443 m) | 96.2 inches (2.443 m) |
Overall length | 176.5 inches (4.483 m) | 176.5 inches (4.483 m) | 177.4 inches (4.506 m) |
Overall width | 71.0 inches (1.803 m) | 71.0 inches (1.803 m) | 74.0 inches (1.880 m) |
Overall height | 46.7 inches (1.186 m) | 46.7 inches (1.186 m) | |
Front tread | 59.6 inches (1.514 m) | 59.6 inches (1.514 m) | 59.6 inches (1.514m) |
Rear tread | 60.4 inches (1.534 m) | 60.4 inches (1.534 m) | 61.9 inches (1.572m) |
Front Tires | P275/40ZR-17 Goodyear Eagle GT | P275/40ZR-17 Goodyear Eagle GT | P275/40ZR-17 Goodyear Eagle GT |
Rear Tires | P275/40ZR-17 Goodyear Eagle GT | P275/40ZR-17 Goodyear Eagle GT | P315/35ZR-17 Goodyear Eagle GT |
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) |
RPO AC1 | Power passenger seat | $290 |
---|---|---|
RPO AC3 | Power driver seat | $290 |
RPO A09 | Leather sports seats | $1050 |
RPO AR9 | Base leather seats | $425 |
RPO B2K | Callaway Twin Turbo installed by Callaway Engineering | $33,000 |
RPO CC2 | Auxiliary hardtop for convertible | $1995 |
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 | $180 |
RPO FX3 | Electronic Selective Ride & Handling system | $1,695 |
RPO G92 | Performance axle ratio 3.07:1 | $22 |
RPO KC4 | Engine oil cooler | $110 |
RPO MN6 | Six-speed manual transmission | no-cost option |
RPO NNS | California emissions requirements | $100 |
RPO UJ6 | Low tire pressure warning indicator | $325 |
RPO UU8 | Delco-Bose stereo system | $823 |
RPO UlF | Delco-Bose stereo system with compact disc changer | $1,219 |
RPO V56 | Luggage rack for convertible | $140 |
RPO Z07 | Adjustable handling package (733 were built) | $2,500 |
RPO ZR1 | Special performance package for coupe | $31,683 |
1991 Corvette Notes
1991 Corvette
1991 Corvette
1991 Corvette
1991 Corvette