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Chevrolet Corvette



History

Fourth Generation

1984-1996






Introduction: Therefore, when the new Fourth Generation Corvette came out for the 1984 model year, the pent-up demand along with innovative exterior and interior design pushed its sales to new heights. Despite the delayed start, the Fourth Generation would last the longest - a whopping 12 years.


1983 Chevrolet Corvette




Comments: Due to production problems with the 4th Generation re-design, there was no official 1983 Corvette sold to the general public. However, 44 - 47 production mules were built and 1 survives today at the Corvette Museum.

Production:
None were sold to the public

Engines:
N/A

Performance:
N/A


1984 Chevrolet Corvette




Comments: The 1984 Corvette was the first year of the Fourth Generation Corvette and debuted in April 1983. Its new design, digital instrumentation, and new interior was a hit with buyers, and the Corvette sold over double the number of 1982 Corvettes. The C4 featured 16x8.5 wheels with P255/50VR-16 tires and the choice of either a four-speed automatic or four-speed manual transmission.

Production: 51,547
Coupe: 51,547

Engines:
350 V8 205 bhp @ 4300 rpm, 290 lb-ft @ 2800 rpm.

Performance:
N/A


1985 Chevrolet Corvette




Comments: 1985 was the first year that no new colors were offered on the Corvette. The only changes were straight tailpipes and a new "Tuned Port Injection" version of the venerable 350 V8 which boosted power to 230 bhp. This new found power was advertised with "Tuned Port Injection" badges on the front fenders.

Production: 39,729
Coupe: 39,729

Engines:
350 V8 230 bhp, 330 lb-ft @ 3200 rpm.

Performance:
N/A


1986 Chevrolet Corvette




Comments: 1986 saw the return of the convertible. A Yellow Corvette Convertible was chosen to pace the 1986 Indianapolis 500, and to commerate, all convertibles came with stick-on Pace Car decals. This was also the first year for the center high-mounted brake stoplight (CHMSL), the anti-lock braking system (ABS), and a VATS key coded anti-theft system.

Production: 35,109
Coupe: 27,294
Convertible: 7,815

Engines:
350 V8 230 bhp, 330 lb-ft @ 3200 rpm.

Performance:
N/A


1987 Chevrolet Corvette




Comments: The convertible becomes more popular, increasing to over a third of total Corvette sales. A very limited edition Callaway Twin-Turbo Corvette was available through the dealer which featured a Twin Turbo version of the 350 V8 rated at a stout 345 bhp and capable of a 177.9 mph top speed.

Production: 36,632
Coupe: 20,007
Convertible: 10,625

Engines:
350 V8 240 bhp @ 4000 rpm, 345 lb-ft @ 3200 rpm.

Performance:
N/A


1988 Chevrolet Corvette




Comments: Corvette sales began to slip in 1988, despite a special 35th anniversary Corvette which was a white coupe with a black top. New wheel designs and a more efficient air conditioning system also debut. The 350 in the coupe was rated at 245 bhp, while those in the convertible were rated at 240 bhp.

Production: 24,839
Coupe: 17,432
Convertible: 7,407

Engines:
Coupe: 350 V8 245 bhp @ 4300 rpm, 345 lb-ft @ 3200 rpm.
Convertible: 350 V8 240 bhp @ 4000 rpm, 345 lb-ft @ 3200 rpm.

Performance:
N/A


1989 Chevrolet Corvette




Comments: The Corvette received a new 6-speed manual transmission, as well as air bags.

Production: 26,412
Coupe: 16,663
Convertible: 9,749

Engines:
Coupe: 350 V8 245 bhp @ 4300 rpm, 345 lb-ft @ 3200 rpm.
Convertible: 350 V8 240 bhp @ 4000 rpm, 345 lb-ft @ 3200 rpm.

Performance:
N/A


1990 Chevrolet Corvette




Comments: The Corvette received a new 6-speed manual transmission, as well as air bags. The standard 350 V8 gained 5 bhp due to a slight increase in the compression ratio. However, the big news was the introduction of the "King of the Hill" Corvette: the ZR-1 (RPO ZR1). The ZR-1's main feature was the LT5, a highly modified version of the 350 V8, developed with the help of Lotus, and built by Mercury Marine. The LT5 featured a very modern dual overhead cam, 32 valve design which put out a whopping 375 bhp. The ZR-1 also featured a distinctively wider back end and square tail lamps. The main problem was price. The ZR-1 cost nearly $59,000 (and many sold for much more than MSRP), compared to the base coupe priced at $32,000.

Production: 23,646
Coupe: 12,967
Convertible: 7,630
ZR-1 Coupe: 3,049

Engines:
Coupe: 350 V8 250 bhp @ 4400 rpm, 350 lb-ft @ 3200 rpm.
Convertible: 350 V8 245 bhp @ 4000 rpm, 345 lb-ft @ 3200 rpm.
ZR-1: 350 V8 375 bhp @ 6000 rpm, 370 lb-ft @ 4800 rpm.

Performance:
N/A


1991 Chevrolet Corvette




Comments: All 1991 Corvettes received new side panel louvers, wrap around parking/fog lamps, wider body side mouldings, and the re-styled rear end (with square tail lights) formerly exclusive to the ZR-1. A new heavy duty suspension (RPO Z07) was available on Coupes which allowed the driver to adjust the Corvette's suspension from firm to very firm. To help differentiate the ZR-1, its CHMSL remained on the roof, while lesser Corvettes had it integrated into the rear fascia. ZR-1's also had unique doors, and wider rear body panels to fit the wider tires. Most civilians couldn't tell the ZR-1's apart from lesser Corvettes, which greatly hurt the ZR-1 mystique. 1991 would be the last year of the Callaway Twin-Turbo Corvettes.

Production: 20,639
Coupe: 12,923
Convertible: 5,672
ZR-1 Coupe: 2,044

Engines:
Coupe: 350 V8 250 bhp @ 4400 rpm, 350 lb-ft @ 3200 rpm.
Convertible: 350 V8 245 bhp @ 4000 rpm, 345 lb-ft @ 3200 rpm.
ZR-1: 350 V8 375 bhp @ 6000 rpm, 370 lb-ft @ 4800 rpm.

Performance:
N/A


1992 Chevrolet Corvette




Comments: The 1992 Corvette saw a significant boost in performance with the introduction of the second generation LT1 small block 350 V8. Named after the the original LT-1 (note the dash) engine of 1970, the last Chevy small block V8 to generate over 300 bhp. The new LT1's 300 bhp rating was an increase of 55 bhp over the prior year, and this extra power was applied to the road through a new standard Acceleration Slip Regulation (ASR) system which used engine spark retardation, throttle close down, and brake intervention to limit wheelspin while accelerating, and wide Goodyear GS-C asymmetrical tires. The ZR-1 model continued, now with a ZR-1 badge on the sides of the clam shell hood.

Production: 20,479
Coupe: 14,102
Convertible: 5,875
ZR-1 Coupe: 502

Engines:
350 V8 300 bhp @ 5000 rpm, 330 lb-ft @ 4000 rpm.
ZR-1: 350 V8 375 bhp @ 6000 rpm, 370 lb-ft @ 4800 rpm.

Performance:
N/A


1993 Chevrolet Corvette




Comments: The ZR-1 finally got some distance between it and the base Corvette with an increase in its LT5 engine to a whopping 405 bhp. This was due mainly to modifications to the cylinder heads and valve train. Other changes included four-bolt main bearings, a Mobil 1 synthetic oil requirement, platinum-tipped spark plugs, and an electrical, linear exhuast gas recirculation (EGR) system for improved emission control. A special 40th anniversary package (RPO Z25) was available on all Corvettes and featured a Ruby Red metallic exterior, Ruby Red leather sports seats, a power driver seat, and special wheel center trim and emblems. All Corvettes with leather interiors had "40th Anniversary" embroidery in the headrests. A Passive Keyless Entry system was now standard on all Corvettes which would unlock the doors when the owner approached the car. Revisions to the LT1's camshaft exhaust lobe profile bumped up torque by 10 lb-ft. The base Corvette's front wheels decreased in size from 17x9.5 to 17x8.5 and tire size decreased from P275/40ZR17 to P255/45ZR17. However, rear tire size increased from P275/40ZR17 to P285/40ZR17. Corvettes with the RPO Z07 option received 17x9.5 wheels with P275/40ZR17 tires front and back.

Production: 21,590
Coupe: 15,450
Convertible: 5,692
ZR-1 Coupe: 448

Engines:
350 V8 300 bhp @ 5000 rpm, 330 lb-ft @ 4000 rpm.
ZR-1: 350 V8 405 bhp @ 5800 rpm, 385 lb-ft @ 4800 rpm.

Performance:
N/A


1994 Chevrolet Corvette




Comments: All 1994 Corvettes received some interior changes, with the addition of a new single-piece instrument panel, a front passenger air bag, and new door panels. Both the standard and optional Sports seats were restyled and leather seats became standard. The base LT1 engine received several refinements, including a new sequential lull injection system which improved response, idle quality, driveability, and emissions, and a new more powerful ignition system, but there was no change to its 300 bhp rating. The standard 4-speed automatic transmission was redesigned with electronic controls for improved shift quality and rpm shift-point consistency. Convertibles finally received a glass rear window with an in-glass defogger. Run-flat tires were introduced as an option.

Production: ?
Coupe: ?
Convertible: ?
ZR-1 Coupe: ?

Engines:
350 V8 300 bhp @ 5000 rpm, 330 lb-ft @ 4000 rpm.
ZR-1: 350 V8 405 bhp @ 5800 rpm, 385 lb-ft @ 4800 rpm.

Performance:
N/A


1995 Chevrolet Corvette




Comments: 1995 marked the last year for the ZR-1. All Corvettes featured a revised gill panel design and a Corvette was once again the pace car for the 1995 Indianapolis 500 and a special Replica version was sold. All Corvettes received the larger brakes and Anti-Lock Braking system standard with the Z07 and ZR-1 performance options.

Production: ?
Coupe: ?
Pace Car Replica: 527
Convertible: ?
ZR-1 Coupe: ?

Engines:
350 V8 300 bhp @ 5000 rpm, 330 lb-ft @ 4000 rpm.
ZR-1: 350 V8 405 bhp @ 5800 rpm, 385 lb-ft @ 4800 rpm.

Performance:
N/A


1996 Chevrolet Corvette




Comments: With the ZR-1 gone, the Corvette features two new special editions, the Grand Sport and the Collector Edition. The new optional LT4 engine is introduced, and is standard on the Grand Sport. This would be the last year of the Fourth Generation Corvette.

Production: ?
Coupe: ?
Gran Sport: 527
Convertible: ?

Engines:
350 V8 300 bhp @ 5000 rpm, 330 lb-ft @ 4000 rpm.
LT4 350 V8

Performance:
N/A








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