Chevrolet Unveils the Sports Car for the 21st Century

By Source: Press Release
3.6L V-6 DI VVT (LLT) 6.2L V-8 (LS3, L99)
Application: LS, LT SS
Type: 3.6L V-6 6.2L V-8
Displacement (cc / cu in): 3564 / 217 6162 / 376
Bore & stroke (mm / in): 94 x 85.6 / 3.70 x 3.37 103.25 x 92 / 4.06 x 3.62
Block material: Cast aluminum w/ cast-in-place iron bore liners Cast aluminum w/ cast-in-place iron bore liners
Cylinder head material: Aluminum Aluminum
Valvetrain: Dual overhead camshafts, four valves per cylinder, continuously variable valve timing valve-in-head; two valves per Cylinder; roller lifters; Active Fuel Management (L99)
Ignition system: Electronic individual coil-on-plug; individual cylinder knock control and extended-life platinum-tipped spark plugs High-energy distributorless ignition; solid state direct-fire ignition w/ coil near plug and integrated ignition
Fuel delivery: Direct high-pressure fuel injection Returnless, multi-port fuel injection
Compression ratio: 11.3:1 10.7:1
Horsepower (hp / kW @ rpm): 300 / 224 @ 6400 rpm* 422 / 315 @ 5000 (LS3)*
400 / 299 @ 5000 (L99)*
Torque (lb-ft / Nm @ rpm): 273 / 370 @ 5200 rpm* 408 / 553 @ 4500 (LS3)*
395 / 535 @ 4500 (L99)*
Recommended fuel: Regular unleaded Premium recommended
Maximum engine speed (rpm): 7000 6000 (L99)
6600 (LS3)
Emissions controls: Evaporative system, single close-coupled catalytic converter, equal-length exhaust, single underfloor catalytic converter, positive crankcase ventilation, intake and exhaust cam phasers, electronic throttle control Evaporative system, close-coupled catalytic converters, positive crankcase ventilation, electronic throttle control
Fuel economy (auto trans): 9.0 L/100km hwy (est) 10.2 L/100km hwy (est)
6600 (LS3)


Transmissions

Hydra-Matic 6L50 six-speed automatic (LS, LT) w/ TAPshift Hydra-Matic 6L80 six-speed automatic (SS) w/ TAPshift Aisin Warner AY6 six-speed manual (LS, LT) TR6060 six-speed manual (SS)
Gear ratios (:1):
First: 4.07 4.03 4.48 3.01
Second: 2.37 2.36 2.58 2.07
Third: 1.55 1.53 1.63 1.43
Fourth: 1.16 1.15 1.19 1.00
Fifth: 0.85 0.85 1.00 0.84
Sixth: 0.67 0.67 0.75 0.57
Reverse: 3.06 3.06 3.67 3.28
Final drive ratio: 3.27 3.27 3.27 3.45


Chassis/Suspension

Front: Double-ball-joint, multi-link strut; direct-acting stabilizer bar; progressive-rate coil springs; fully adjustable camber, caster and toe
Rear: 4.5-link independent; progressive-rate coil springs over shocks; stabilizer bar; fully adjustable camber and toe
Steering type: Variable-ratio rack-and-pinion
Steering ratio: 16.1:1
Steering wheel turns, lock-to-lock: 2.5
Turning circle, curb-to-curb (m / ft): 11.5 / 37.7

Article Published On: Tuesday, July 22, 2008, 13:02 [IST]
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