LS2 6.0L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | LS2 |
| Family | Generation IV |
| Years | 2005–2009 |
| Displacement | 6.0 L / 364 ci |
| Horsepower | 390–400 hp |
| Torque | 400 lb-ft |
| Bore × stroke | 4.0 × 3.622 in |
| Compression | 10.90:1 |
| Block | aluminum |
| AFM/DOD | No |
Aluminum. Uses 243-casting heads (no sodium valves), smaller cam than LS6; TrailBlazer SS / Saab 9-7X LS2 used a truck-style intake for more low-rpm torque
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the LS2
Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.
| Vehicle | Years |
|---|---|
| Cadillac CTS-V | 2006–2007 |
| Chevrolet Corvette | 2005–2007 |
| Chevrolet SSR | 2005–2006 |
| Chevrolet TrailBlazer SS | 2006–2009 |
| Ginetta Akula | 2024 |
| HSV Clubsport R8, Maloo R8, Senator Signature, and GTS | 2005–2008 |
| HSV Coupé GTO | 2005–2006 |
| HSV Grange | 2005–2008 |
| HSV SV6000 | 2005–2006 |
| Holden Monaro family: | 2005–2008 |
| Pontiac GTO (peak power at 5200 rpm, peak torque at 4000 rpm) | 2005–2006 |
| Saab 9-7X Aero | 2008–2009 |
| Vauxhall Monaro VXR | 2005–2006 |
| Vauxhall VXR8 | 2007–2009 |
Next steps
- Find a cam for the LS2
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Questions about the LS2
- What vehicles came with the LS2?
- What sensor and wiring differences are there when swapping an LS2 in place of an LS1?
Sources