For nearly half a century, the Chevrolet Corvette has held a special place in the hearts of American car enthusiasts. Renowned for its potent blend of power, performance, iconic style, and surprising comfort, the Corvette’s enduring success stems from its ability to embrace cutting-edge technology while staying true to its rich heritage. The 2002 Corvette Z06 epitomizes this philosophy, taking performance to exhilarating new heights.
Enhanced Power and Performance: Unleashing the Upgraded LS6 Engine
Building upon the already impressive C5 generation, the 2002 Z06 Corvette arrived with even more muscle under the hood. The heart of this beast is the upgraded 5.7-liter LS6 V8 engine, now churning out a staggering 405 horsepower at 6,000 rpm and 400 lb-ft of torque at 4,800 rpm. This marked a significant 20 horsepower increase from the previous year’s Z06, making it the quickest production Corvette to date.
This power boost is not just a number on a spec sheet; it translates to real-world performance gains that driving enthusiasts can truly appreciate. The enhanced LS6 engine features several key upgrades, including new hollow stem valves, a higher-lift camshaft, a low-restriction mass air flow (MAF) sensor, and a redesigned low-restriction air cleaner. These modifications work in harmony to optimize airflow into and out of the engine, resulting in increased horsepower and torque. Furthermore, the removal of the Pre-Converter Oxygen Sensor (PUP) converter from the exhaust system enhances exhaust flow and reduces vehicle weight, all while maintaining Corvette’s National Low Emission Vehicle (NLEV) status.
The result of these engine enhancements is breathtaking acceleration. The 2002 Corvette Z06, equipped with its exclusive six-speed manual transmission, could rocket from 0 to 60 mph in a mere 3.9 seconds and conquer the quarter-mile in just 12.4 seconds at 116 mph. This represented a noticeable improvement over the 2001 Z06, shaving tenths of a second off both benchmarks, solidifying its position as a true performance leader. To handle the increased torque output, the LS6 clutch was also redesigned with increased clamp load and enhanced durability, ensuring long-lasting performance even under demanding driving conditions.
Suspension and Handling Refinements: Mastering the Road
The 2002 Corvette Z06 isn’t just about brute power; it’s engineered for exceptional handling and agility. The Z06-specific FE4 High-Performance suspension system is at the core of its dynamic capabilities. This system features a larger front stabilizer bar, a stiffer rear leaf spring, and precisely calibrated camber settings, all working in concert to deliver maximum control and responsiveness during high-speed maneuvers. For the 2002 model year, new rear shock valving was implemented, further refining the ride and providing even more controlled handling dynamics.
While maintaining their distinctive design and color, the Z06 aluminum wheels underwent a production process change, transitioning from forged to cast aluminum. Although the magnesium wheel option for the standard Coupe and Convertible models was discontinued for 2002, the Z06 retained its lightweight aluminum wheels, contributing to its overall agility.
The foundation of the Corvette’s renowned handling prowess is its hydroformed frame rails, providing exceptional structural rigidity. The four-wheel independent suspension features cast aluminum upper and lower A-arms, optimizing weight and strength. For the Z06 and models equipped with the optional Z51 performance package, aluminum front stabilizer bar links were introduced, further reducing weight and enhancing responsiveness. A transverse leaf spring system is utilized for the independent rear suspension, contributing to the Corvette’s balanced and predictable handling characteristics.
All 2002 Corvettes came standard with the second-generation Active Handling system. This sophisticated system incorporates dynamic rear brake proportioning to prevent rear wheel lockup, rear brake stability control to aid driver control during light braking and high acceleration, and integrated traction control calibrated to allow drivers to experience the car’s power while managing wheelspin. The system also includes an on/off switch and a “Competitive Mode,” allowing drivers to disengage traction control while retaining the benefits of Active Handling’s other features, perfect for track days or spirited driving.
Additional Upgrades and Features: Enhancing the Driving Experience
The 2002 Corvette Z06 received further refinements that enhanced both performance and driver convenience. A notable addition was the Head-Up Display (HUD), now standard on the Z06. HUD projects crucial vehicle information, such as speed and gauges, onto the windshield directly in the driver’s line of sight, promoting a “eyes on the road” driving experience, especially beneficial during performance driving. HUD remained an optional feature for the Coupe and Convertible models.
For the 2002 model year, the automatic transmission cooler case in Coupe and Convertible models was redesigned using lightweight cast aluminum, replacing the previous stainless steel design, contributing to overall weight reduction. Inside the cabin, Coupes and Convertibles received an upgraded standard entertainment system, featuring an AM/FM/In-dash CD player. An AM/FM/Cassette system became available when opting for the remote 12-disc CD changer.
Visually, the 2002 Corvette palette was refreshed with the introduction of Electron Blue, replacing Navy Blue Metallic for Coupe and Convertible models. Electron Blue also became one of the five color choices for the Z06, replacing Speedway White, offering buyers a vibrant new option to personalize their high-performance Corvette.
Unmatched Testing and Durability: Proven Performance
Chevrolet takes immense pride in the Corvette’s reputation as “America’s favorite sports car,” a title earned through decades of delivering proven power and performance. To ensure the Corvette maintains this iconic status, it undergoes rigorous testing programs, exceeding even the standard durability tests for General Motors vehicles. In addition to standard testing, the Corvette, particularly the Z06, is subjected to three demanding performance tests: 250 miles of autocross, 24 hours on the racetrack, and top speed runs at wide-open throttle.
The autocross test involves 250 miles of intense maneuvering on a demanding autocross course, with comprehensive vehicle inspections at each fuel stop. Following the autocross, the Corvette faces the grueling 24-hour racetrack test. This simulates 24 continuous sprint races, pushing the car to its limits on a 2.2-mile road course featuring high-speed straights, sweeping curves, and tight hairpins. During this test, drivers execute numerous shifts and braking maneuvers per lap, pushing the powertrain, brakes, and suspension to their absolute limits. The 2002 Z06 proved its mettle, completing this test and even demonstrating a half-second improvement in lap time compared to the 2001 model.
Finally, to simulate high-speed autobahn conditions, the Corvette undergoes a top speed wide-open throttle test on a five-mile circle track. Driven flat-out at its 171-mph top speed until the fuel tank is nearly empty, this test validates the car’s ability to reliably withstand extreme thermal loads. These comprehensive testing procedures underscore Chevrolet’s commitment to delivering a Corvette, and especially a Z06, that is not only exhilarating to drive but also exceptionally durable and reliable, even under the most demanding conditions.
LS6 Engine Deep Dive: The Heart of the Beast
The 2002 LS6 engine is a marvel of engineering, representing the pinnacle of Gen III small-block technology at the time. This 5.7-liter OHV V8 is meticulously crafted to deliver maximum performance while maintaining the reliability and refinement expected of a Corvette.
LS6 OHV V8 Engine: Model Year 2002 Specifications
| Feature | Specification |
|---|---|
| Type | 5.7L V8 |
| Displacement | 5665cc |
| Compression Ratio | 10.5:1 |
| Valve Configuration | Overhead Valves |
| Assembly Site | St. Catharines, ON |
| Valve Lifters | Hydraulic Roller |
| Firing Order | 1 – 8 – 7 – 2 – 6 – 5 – 4 – 3 |
| Bore x Stroke | 99.00 x 92.00mm |
| Fuel System | Sequential Fuel Injection |
| Horsepower | 405 @ 6000 rpm |
| Torque (lb-ft) | 400 @ 4800 rpm |
| Fuel Shut Off | 6600 rpm |
| Emissions Controls | Catalytic Converter, Three-Way Catalyst, Air Injection Reaction, Positive Crankcase Ventilation |
| Applications | Chevrolet ZO6 Corvette |
| Materials | |
| Block | Cast Aluminum |
| Cylinder Head | Cast Aluminum |
| Intake Manifold | Composite |
| Exhaust Manifold | Cast Nodular Iron |
| Main Bearing Caps | Powder Metal |
| Crankshaft | Cast Nodular Iron with Undercut and Rolled Fillets |
| Camshaft | Hollow Steel |
| Connecting Rods | Powder Metal |
Key enhancements for the 2002 LS6 focused on increasing airflow and reducing valvetrain mass. The redesigned air cleaner housing features a larger opening, increasing airflow by approximately 6.65 square inches. The new MAF sensor eliminates pre-sensor grids, further reducing intake restriction. Hollow stem valves, a significant upgrade for 2002, reduce valvetrain mass by approximately 368 grams, allowing for higher engine speeds and improved valve control. The new camshaft profile provides increased valve lift, allowing for more air and exhaust flow, directly contributing to the horsepower and torque gains. The elimination of the dual pup catalytic converters further reduces exhaust backpressure, freeing up additional power.
In an interview, Sam Winegarden, chief engineer for GM Powertrain’s small block team, highlighted the passion and engineering excellence behind the LS6. He emphasized the team’s “ruthless pursuit of horsepower” and the significance of achieving comparable power to the legendary LT5 engine with an OHV design. Winegarden noted that the 20 horsepower increase for 2002, while seemingly modest on paper, makes a tangible difference in the car’s driving experience, making it feel “really come alive.” He also addressed the decision to release the full 405 horsepower in 2002 rather than 2001, explaining that it was due to ensuring a quality and reliable valvetrain solution before pushing the engine to its maximum potential.
2002 Corvette Z06 Specifications: Detailed Overview
The 2002 Corvette Z06 is a meticulously engineered performance machine, with every component designed to contribute to its overall prowess. Below are detailed specifications for a comprehensive understanding of its engineering.
2002 Chevrolet Corvette Specifications
| Overview | |
|---|---|
| Model: | Chevrolet Corvette: Coupe, Convertible, Z06 (hardtop) |
| Body Style/ driveline/ configuration: | Two-door hatchback coupe, convertible and fixed-roof coupe, rear-drive, front-engine |
| Body material: | Composite |
| EPA Vehicle Class | Two seater |
| Manufacturing facility: | Bowling Green, Kentucky |
| Key competitors: | Audi TT, BMW Z3, Dodge Viper, Porsche Boxster and Boxster S, Porsche 911 |
Engines
| 5.7L (LS1) V8 | 5.7L (LS6) V8 | |
|---|---|---|
| Application: | STD on Coupe, Convertible | STD on Z06 |
| Type: | 5.7-liter OHV | 5.7-liter OHV |
| Block material: | Cast aluminum 350 / 5665 | Displacement (cu in/cc): 350 / 5665 |
| Bore x stroke (in/mm) | 3.90 x 3.62 / 99.0 x 92.0 | 3.90 x 3.62 / 99.0 x 92.0 |
| Cylinder head material: | Cast aluminum | Cast aluminum |
| Valvetrain: | Overhead valve, two valves per cylinder | Overhead valve, two valves per cylinder |
| Fuel Delivery: | SFI | SFI |
| Compression ratio: | 10.1:1 | 10.5:1 |
| Horsepower/ kilowatts: | 350 / 261 @ 5600 | 405 / 302 @ 6000 rpm |
| Torque (lb-ft/Nm): | 375 / 508 @4400 (manual) 360 / 489 @4000 (automatic) | 400 / 542 @ 4800 rpm |
| Recommended Fuel: | 93 octane | 93 octane |
| Maximum Engine Speed: | 6000 rpm | 6500 rpm |
| Emission control system: | Catalytic converter AIR 4-speed automatic | Catalytic converter AIR 6-speed manual |
| EPA estimated fuel economy: | ||
| 5.7L V8 LS1 (mpg city/hwy/comb) | 19/28/23 (manual transmission on coupe and convertible). 18/25/21 (automatic transmission on coupe and convertible) | |
| 5.7L V8 LS6 (mpg city/hwy/comb) | 19/28/23 (manual transmission Z06) |
Transmissions
| 4-speed Automatic | 6-speed Manual | 6-speed Manual | |
|---|---|---|---|
| Application: | Std. on coupe and conv. | Opt. on coupe | Std. on Z06 |
| 1st gear | 3.06 | 2.66 | 2.97 |
| 2nd gear | 1.63 | 1.78 | 2.07 |
| 3rd gear | 1.00 | 1.30 | 1.43 |
| 4th gear | .70 | 1.00 | 1.00 |
| 5th gear | — | .74 | .84 |
| 6th gear | — | .50 | .56 |
| Reverse | 2.29 | 2.90 | 3.28 |
| Final Drive | 2.73 (Std.)/ 3.15 (Opt.) | 3.42 | 3.42 |
Chassis / Suspension
| Feature | Description |
|---|---|
| Front: | Short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, monotube shock absorber |
| Rear: | Short/long arm (SLA) double wishbone, cast aluminum upper & lower control arms, transverse-mounted composite leaf spring, monotube shock absorber |
| Stabilizer Bar diameter (mm/in): | Std – 19.1 / .75 F45 – 19.1 / .75 Z51 – 21.7 / .85 FE4 – 21.7 / .85 |
| Traction Control: | Electronic Traction Control, Active Handling |
| Steering type: | Speed sensitive power-assisted rack-and-pinion |
| Steering ratio: | 16.1:1 |
| Turns lock-to-lock: | 2.66 |
| Turning circle (feet/meters): | 40.2 / 12.1 |
Brakes
| Feature | Description |
|---|---|
| Type: | Power-assisted disc with ABS, front and rear |
| Front: | 12.6 x 1.26-inch (325 x 32-mm) |
| Rear: | 11.8 x 1.0-inch (305 x 26-mm) |
| Swept Area: | Front-263 sq. in., 1696 sq. cm Rear-158 sq. in., 1018 sq. cm |
Wheels / Tires
| Coupe and Convertible | Z06 | |
|---|---|---|
| Wheels | Front-17 X 8.5 Rear-18 X 9.5 Cast Aluminum (Std) Forged Aluminum, High Polish (Opt.) | 17 X 9.5 18 X 10.5 Cast Spun Aluminum |
| Tires | Goodyear Eagle F1 GS, extended mobility Front-P245/45ZR-17 Rear-P275/40ZR-18 | Goodyear Eagle F1 SC, Asymmetric Tread P265/40ZR-17 P295/35ZR-18 |
Dimensions: Exterior
| Coupe | Convertible | Z06 | |
|---|---|---|---|
| Wheelbase (in/mm): | 104.5 / 2655.5 | 104.5 / 2655.5 | 104.5 / 2655.5 |
| Overall length (in/mm): | 179.7 / 4565.6 | 179.7 / 4565.5 | 179.7 / 4565.5 |
| Width (in/mm): | 73.6 / 1869.4 | 73.6 / 1869.4 | 73.6 / 1869.4 |
| Height (in/mm): | 47.7/ 1211.5 | 47.8 / 1214.7 | 47.7 / 1211.5 |
| Front track (in/mm): | 61.9 / 1572.3 | 61.9 / 1572.3 | 62.4 / 1584.5 |
| Rear track (in/mm): | 62.0 / 1574.5 | 62.0 / 1574.5 | 62.6 / 1589.5 |
| Curb weight (lbs/kg): | 3246 / 1472 | 3248 / 1473 | 3118 / 1414 |
| Weight distribution (f/r): | 51 / 49 | 51 / 49 | 53 / 47 |
Dimensions: Interior
| Coupe | Convertible | Z06 | |
|---|---|---|---|
| Seating capacity: | 2 | 2 | 2 |
| Head room, front (in/mm): | 37.9 / 963 | 37.9 / 963 | 37.8 / 960 |
| Leg room, front (in/mm): | 42.7 / 1085 | 42.7 / 1085 | 42.7 / 1085 |
| Shoulder room, front (in/mm): | 55.3 / 1405 | 55.3 / 1405 | 55.3 / 1405 |
| Hip room, front (in/mm): | 54.2 / 1377 | 54.2 / 1377 | 54.2 / 1377 |
Capacities
| Feature | Coupe | Convertible | Z06 |
|---|---|---|---|
| Cargo volume (cu ft/liters) | 24.8/702 (coupe) | 13.9/394 (convertible) | 13.3/377 (Z06) |
| Fuel tank capacity (gals/liters) | 18.5 / 70.0 | 18.5 / 70.0 | 18.5 / 70.0 |
| Engine oil w/filter (qts/liters) | 6.5 / 6.15 | 6.5 / 6.15 | 6.5 / 6.15 |
| Engine coolant (qts/liters) | 11.5 / 10.9 (automatic) 11.8 / 11.2 (manual) | 11.5 / 10.9 (automatic) 11.8 / 11.2 (manual) | 11.5 / 10.9 (automatic) 11.8 / 11.2 (manual) |
2002 Corvette Z06 Pricing and Options: Value and Personalization
The 2002 Corvette Z06 offered exceptional performance value, starting at a Manufacturer’s Suggested Retail Price (MSRP) of $49,505. The base Corvette Coupe was priced at $40,805, while the Convertible variant started at $47,330. Chevrolet provided various options and packages to allow buyers to personalize their Corvettes to their preferences.
2002 Model and Option Pricing (MSRP)
| Code | Description | MSRP |
|---|---|---|
| 1YY07 | Corvette Coupe | 40805.00 |
| 1YY37 | Corvette Z06 | 49505.00 |
| 1YY67 | Corvette Convertible | 47330.00 |
| 1SA | Preferred Equipment Pkg (1YY07/1YY37/1YY67) | 0.00 |
| 1SB | Preferred Equipment Pkg (1YY07) | 1700.00 |
| 1SB | Preferred Equipment Pkg (1YY67) | 1800.00 |
| 1SC | Preferred Equipment Pkg (1YY07) | 2700.00 |
| 1SC | Preferred Equipment Pkg (1YY67) | 2600.00 |
| R8C | Museum Delivery | 490.00 |
| G92 | Performance Axle Ratio | 300.00 |
| F45 | Selective Handling Pkg | 1695.00 |
| LS1 5.7 SFI V8 – 350 HP (1YY07) | 2700.00 | |
| LS1 5.7 SFI V8 – 350 HP (1YY67) | 2600.00 | |
| LS6 5.7 SFI V8 – 405 HP (1YY37) | 2700.00 | |
| V49 | License Plate Frame | 15.00 |
| DD0 | Electrochromic Mirrors (1YY37/Reqs AAB) | 120.00 |
| B84 | Body Side Moldings | 75.00 |
| AAB | Memory Pkg (1YY37/Reqs DD0) | 150.00 |
| Z51 | Performance Hdlg Pkg | 350.00 |
| 79U | Millennium Yellow | 600.00 |
| 86U | Magnetic Red Metallic | 600.00 |
| U1S | 12 Disc CD Changer | 600.00 |
| UL0 | AM/FM Cassette (1YY07/1YY67 Reqs U1S) | (100.00) |
| C2L | Dual Roof Panels | 1200.00 |
| CC3 | Transparent Roof Panel | 750.00 |
| MN6 | 6 Speed Manual Trans (1YY07/1YY67) | 815.00 |
| MX0 | Automatic Trans (1YY07/1YY67) | 0.00 |
| QF5 | Polished Aluminum Wheels | 1200.00 |
| 704 | 1YY37: modified interior torch red/black | 0.00 |
| Destination Charges | 645.00 |
Conclusion: The 2002 Corvette Z06 – A Legacy of Performance
The 2002 Corvette Z06 stands as a testament to Chevrolet’s unwavering commitment to performance and innovation. With its upgraded 405 horsepower LS6 engine, refined suspension, and track-proven durability, the 2002 Z06 elevated the C5 generation to new heights, solidifying its place as a benchmark for American sports cars. It remains a highly sought-after model for enthusiasts, representing a sweet spot of raw power, balanced handling, and iconic Corvette heritage. The 2002 Corvette Z06 is not just a car; it’s an experience, a symbol of American automotive excellence, and a thrilling chapter in the Corvette legacy.
