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GM LT2 V-8 Engine
The LT2 is new eight-cylinder engine from General Motors that made its debut on the 2020 Chevrolet Corvette, also known as the mid-engine Corvette or Corvette C8.
Specifications
| Type: | LT2 6.2L V8 VVT with direct injection and Active Fuel Management (cylinder deactivation) |
|---|---|
| Bore & stroke (in / mm): | 4.06 x 3.62 / 103.25 x 92 |
| Block Material: | A319-T7 cast aluminum with cast-in iron cylinder liners and nodular main bearing caps |
| Oiling System: | Dry sump-type (7.5-qt. capacity); includes oil-spray piston cooling |
| Oil Type: | Dexos 2 0W40 synthetic |
| Cylinder Head Material: | 319-T7 cast aluminum |
| Combustion Chamber volume: | 59cc |
| Compression Ratio: | 11.5:1 |
| Valvetrain: | Overhead valve, two valves per cylinder; dual-equal variable valve timing. |
| Valve Size (in / mm): | 2.13 / 54 hollow (intake) & 1.59 / 40.4 sodium filled (exhaust) |
| Fuel Delivery: | Direct injection with Active Fuel Management: Max pressure: 2,175 psi (15 Mpa / 150 bar) |
| Firing Order: | 1-8-7-2-6-5-4-3 (all cylinders); 1-7-6-4 (with deactivation) |
| Throttle body: | 87mm single bore (electronic) |
| ECU: | GM E99 (32-bit processing) |
Vehicle Applications
| Model Year | Manufacturer | Brand | Model | Power – Horsepower / kW @ RPM | Torque – Pound-Feet / Nm @ RPM | Transmission |
|---|---|---|---|---|---|---|
| 2020 | General Motors | Chevrolet | Corvette | 495 / 369 @ 6450* | 470 / 637 @ 5150* | M1L 8-speed dual clutch (DCT) |
- * when equipped with performance exhaust
Engine Family
The LT2 engine belongs to GM’s fifth-generation Small Block V8 engine family. In fact, it will be an updated version of the LT1, and will therefore has much in common with the following GM Gen 5 Small Block engines:
- 6.2L V-8 LT1 naturally-aspirated
- 6.2L V-8 LT4 supercharged
- 6.2L V-8 LT5 supercharged
- 6.2L V-8 L86 naturally-aspirated
- 5.3L V-6 L83 naturally-aspirated
- 4.3L V-8 LV3 naturally-aspirated
- 4.3L V-6 LV1 naturally-aspirated
Pictures
News
Follow our coverage of LT2 news and developments.
