LS1 5.7L engine: specs, donor vehicles & swap notes
| Spec | Value |
|---|---|
| RPO | LS1 |
| Family | Generation III |
| Years | 1997–2005 |
| Displacement | 5.7 L / 346 ci |
| Horsepower | 295–382 hp |
| Torque | 323–376 lb-ft |
| Bore × stroke | 3.898 × 3.622 in |
| Compression | 10.25:1 |
| Block | aluminum |
| AFM/DOD | No |
Aluminum
Specs from secondary sources; GM ratings varied by year and vehicle.
Donor vehicles with the LS1
Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.
| Vehicle | Years |
|---|---|
| Chevrolet Camaro SS | 1998–2002 |
| Chevrolet Camaro Z28 | 1998–2002 |
| Chevrolet Caprice | 1999–2006 |
| Chevrolet Corvette C5 | 1997–2004 |
| HSV GTO | 2001–2004 |
| HSV VX/VU | 2000–2003 |
| HSV Y Series | 2002–2004 |
| HSV Z series Avalanche | 2005 |
| Holden Monaro | 2001–2005 |
| Holden Statesman | 1999–2005 |
| Holden VT II Commodore | 1999–2000 |
| Holden VX Commodore<br />Holden VU Ute | 2000–2003 |
| Holden VY Commodore | 2002–2004 |
| Holden VZ Commodore | 2004–2005 |
| Pontiac Firebird Formula, Trans Am | 1998–2002 |
| Pontiac GTO | 2004 |
Next steps
- Find a cam for the LS1
- Compare every LS donor engine
- Size injectors and fuel pump
- Swap guides by vehicle
Questions about the LS1
- LS1 vs LS3: what's the difference?
- Will LS1 headers fit a 5.3, 6.0 or LS3?
- What vehicles came with the LS1?
- What sensor and wiring differences are there when swapping an LS2 in place of an LS1?
Sources