Chevrolet Unveils the Sports Car for the 21st Century
Source: Press Release
Tuesday, July 22, 2008, 13:02 [IST]
| |
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 |
|
