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Chevrolet LGD / LZG specs: 237 ci (3.9L) 6-cylinder. Rated 230-233 hp, 2009–2011. Used in the Chevrolet Impala. Rod ratio and piston speed worked out.
Each of the 6 cylinders displaces 39.5 ci (647 cc).
It is one of 3 engines in the Chevrolet 237ci family, all of them 237 ci — the differences between them are in compression, heads and rating, not displacement. 3 factory variants share these dimensions, rated from 230 to 233 hp across 2009–2011.
| Displacement | 237 ci / 3.9 L |
|---|---|
| Cylinders | 6 |
| Configuration | V6 |
| Fuel type | gas |
|---|---|
| Advertised HP | 230–233 hp |
| Years | 2009–2011 |
| Displacement per cylinder | 39.5 ci |
|---|
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2009 | 233 hp | LGD / LZG |
| 2010 | 233 hp | LGD / LZG |
| 2011 | 230 hp | LGD / LZG |