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Chevrolet · 1996–2004

Chevrolet Corvette C5 Z06

Chevrolet Corvette C5 Z06
Photo: FrankWilliams at English Wikipedia (Original text: FrankWilliams) · Public domain · source ↗

The Chevrolet Corvette (C5) is the fifth generation of the Corvette sports car, manufactured and marketed by the Chevrolet division of General Motors for model years 1997 – 2004. Production variants included the high-performance Z06. Racing variants included the C5-R, a 24 Hours of Daytona and 24 Hours of Le Mans GTS/GT1 winner. The C5 Corvette was the first GM vehicle to feature the third generation small block "LS" engines, and the last generation Corvette with pop-up headlights.

Text from Wikipedia (CC BY-SA 4.0).

Successor: Chevrolet Corvette C6

All Chevrolet Corvette C5 Z06 data: UK builds, safety, recalls, model years →

Overview

The C5 was unveiled on January 6, 1997 at the North American International Auto Show in Detroit. The fifth generation was originally intended to debut in 1993 to celebrate the Corvette's 40th anniversary, but it was delayed by financial troubles and changes in staff within GM. A major change from its predecessor the C4, the C5 had a hydroformed box frame, a design that offered an improved structural platform, especially for a convertible bodystyle. To improve handling, the transmission was relocated to form an integrated, rear-mounted transaxle assembly. Connected to the all-new LS1 engine via a torque tube, the engine/transmission arrangement enabled a 50-50% front-rear weight distribution. The LS1 engine initially produced 345 hp (257 kW), subsequently increased in 2001 to 350 hp (261 kW). The 4L60-E automatic transmission carried over from previous models, but the manual was replaced by a Borg-Warner T-56 6-speed capable of a 282 km/h (175 mph) top speed. Relative to the C4, the new platform and structural design substantially reduced squeaks and rattles. In the inaugural model year (1997), only the fastback coupé (more like a hatchback coupé) was offered, with the convertible – the first to offer a trunk since 1962 – following later in August 1997 for MY 1998. In the summer of 1998, a third bodystyle, the hardtop (also referred to as the "fixed-roof coupé" or "FRC"), was added to the 1999 MY lineup. This bodystyle, as its name suggests, featured a fixed top (no removable targa top panel as with the fastback coupé) with a roofline shape and trunk space similar to that of the convertible, as well as a distinctive notchback-style rear window. Aside from cosmetic differences (new wheel styles, paint colors, pace car/commemorative editions in 1998, 2003, and 2004, etc.),

Z06

A successor to the ZR-1 made its debut in 2001 as the Z06, giving a nod to the high-performance Z06 version of the C2 Corvette of the 1960s. The Z06 uses a tuned version of the standard LS1 engine (designated the LS6), with a higher power output of 385 hp (390 PS; 287 kW), later bumped to 405 hp (411 PS; 302 kW) starting in 2002. Although its total output was less than that of the previous late model ZR-1, the Z06 was much lighter, and could out-perform the ZR-1 in every category except top speed. It also cost substantially less than the ZR-1. The Z06 had a total curb weight of 3,118 lb (1,414 kg). The Z06 model was only available with the six-speed manual transmission. Chevrolet engineered several modifications for the Z06 to put the increased power to its best use, starting with the most structurally rigid bodystyle — the hardtop or FRC (Fixed Roof Coupé). The new components added to the Z06 included: uprated FE4 suspension, larger wheels and tires, revised gearing ratios, and functional brake cooling ducts. The Z06 is 128 lb (58 kg) lighter than a standard C5 hatchback coupe due to weight-saving measures such as a titanium exhaust system, thinner glass, lighter wheels, non-EMT tires, reduced sound proofing, fixed rear radio aerial, and a lighter battery. Starting with the 2002 model year, power was increased to 405 hp (411 PS; 302 kW) at 6,000 rpm and 400 lb⋅ft (542 N⋅m) of torque at 4,800 rpm, due to a larger air intake, stiffer valve springs, lighter sodium-filled valves, more aggressive camshaft lift and timing, and a less restricted exhaust that eschewed the use of pre-catalytic converters. The 2004 Z06 Commemorative Edition was equipped with a carbon fiber hood, saving an additional 10 lb (5 kg) of weight. Other unique characteristics of the Z16 (Commemorative

Known issues

Common failure points on all C5 Corvettes include the hazard switch, fuel tank level sensors (requires cleaning due to dirty gas sulfur deposits), and steering column lock message (an aftermarket fix exists). Other issues are tied to some parts that are no longer produced, and not necessarily reliability of parts. The Electronic Braking Control Module (EBCM) for example, is a part no longer produced by GM. On C5 Corvettes made before 2001, a failing ECBM module must be replaced outright. Model year 2001 and newer C5 Corvettes can have their EBCMs serviced in some, but not all, cases. Some 2004 Corvettes have a redesigned dual fuel tank system which makes repair very labor intensive and expensive. Valve spring failures are known to affect late production 2002-mid 2003 Z06s. The permanent fix is replacing the original yellow valve springs with inexpensive redesigned OEM GM valve springs, or with aftermarket valve springs.

Special editions

=== Indianapolis 500 Pace Car Replica === In 1998, the newly introduced convertible version of the C5 was chosen as the Pace Car for the Indianapolis 500 race, and a Pace Car Replica (RPO Z4Z) was offered to the public. Aside from lacking the equipment necessary for actual pace car duties (light bar, special racing harnesses, etc.), there was little difference between the Pace Car Replica C5 and the vehicle that actually saw duty during the race. The Pace Car Replica package consisted of a special paint color ("Radar Blue"), unique interior colors (black and yellow), painted yellow wheels, and special pace car decals. The Pace Car Replica package also included other optional equipment: the newly introduced Active Handling System (RPO JL4); an electronically tuned AM/FM radio with CD player and a Bose speaker system; an electronic dual-zone heating & air conditioning system; and leather adjustable sport bucket seats. 50th Anniversary Edition. A 50th Anniversary Edition (RPO Z25) was offered during the 2003 model year to commemorate a half-century of Corvette production. Available in convertible and coupé models, the 50th Anniversary Edition came with a special shade of red paint ("Anniversary Red Metallic") and shale two-tone leather interior; Anniversary Edition convertibles were adorned with a shale-colored soft top as well. A new option for Corvette in 2003, the F55 Magnetic Selective Ride Control Suspension was standard on the 1SC-equipped Anniversary Edition vehicles. Special ("Warm Nickel Metallic") painted aluminum wheels, embroidered upholstery trim, and badges completed the Anniversary Edition package. Also included were all of the convenience options offered on the upscale Corvette models such as the head-up display. A slightly modified 50th Anniversary Editi

C5-R

The C5-R was a racecar built by Pratt & Miller for GM Racing. It was based on the C5 road car but had a longer wheelbase, wider track, an enlarged 7.0 L V8 and different bodywork with exposed headlamps. It was raced in the American Le Mans Series in the GTS (later GT1) class, the Rolex Sports Car Series in the GTS (later GTO) class, and has been to four 24 Hours of Le Mans races. 2001 The car's 2001 racing season produced eight victories in ten races, including an overall win in the 24 Hours of Daytona and a one-two finish in the GTS class at Le Mans. 2002 In 2002 the C5-R repeated its one-two victory at Le Mans and also dominated the GTS class in the American Le Mans Series. A new transaxle unit replaced the previous year's separate transmission and differential. Corvette faced stiff competition from the new Prodrive Ferrari 550, which led for most of race but had problems late, leaving the victory to Corvette. 2003 In 2003, the Automobile Club de l'Ouest placed additional restrictions on all 24 Hours of Le Mans competitors, reducing power by 10% in an attempt to slow the cars. At the 2003 season-opening 12 Hours of Sebring race, the C5-Rs remained in winning form, with one of them finishing first in class and eighth overall. Also in 2003 the yellow paint was dropped in favor of a special red, white, and blue color scheme to commemorate the Corvette's 50th anniversary. However, at Le Mans the Prodrive Ferraris spoiled the anniversary and hopes for a three-in-a-row victory in the GTS class. 2004 Corvette C5-R came back in 2004 and won the 24 Hours of Le Mans in their class. The Prodrive Ferrari led most of the race, but with under 12 hours to go both the Prodrive cars had problems causing them to pit and lose laps. The Corvettes went on to finish 1–2, with the No. 64 c

Sections adapted from Wikipedia (CC BY-SA 4.0); text is shortened. Read the full article for the complete history and citations.

Specifications

name
Chevrolet Corvette (C5)
Manufacturer
Chevrolet (General Motors)
Production
October 1, 1996 – July 2, 2004
Model years
1997–2004
Assembly
United States: Bowling Green, Kentucky (Bowling Green Assembly Plant)
Designer
John Cafaro (1993)
Predecessor
Chevrolet Corvette (C4)
Successor
Chevrolet Corvette (C6)
Class
Sports car (S)
Body style
2-door coupé (1997–2004), 2-door convertible (1998–2004), 2-door hardtop (1999–2004)
Layout
Front mid-engine, rear-wheel-drive
Platform
Y-body
Engine
5.7 L LS1 V8, 5.7 L LS6 V8 (Z06: 2001–04)
Transmission
6-speed manual T-56, 4-speed automatic 4L60E
Wheelbase
104.5 in
Length
179.7 in
Width
73.6 in
Height
47.7 in, Convertible: 47.8 in
Kerb weight
1472 kg, Convertible: 1473 kg, Hardtop: 1439 kg
Related
Callaway C12

Specification summary from Wikipedia (CC BY-SA 4.0). Check the linked sources for citations.

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