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Jeep World Engine 2.0 specs: 122 ci (2.0L) 4-cylinder, 3.307 x 3.543 in (84 x 90 mm) bore and stroke, 10.5:1 compression. Rated 158 hp, 2007–2017.
The Jeep World Engine 2.0 is undersquare — the 3.5433" stroke exceeds the 3.3071" bore by 6.7% — a layout that trades peak RPM for leverage and torque low in the range. The 3.5433" stroke puts mean piston speed at 4,000 ft/min around 6,750 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 30.5 ci (500 cc).
10.5:1 on aluminum heads is in the range that usually runs on pump premium; aluminum sheds heat faster than iron, which makes the same number a little more forgiving.
It is one of 6 engines in the Hurricane family, the smallest at 122 ci. 11 factory variants share these dimensions, rated at 158 hp across 2007–2017.
| Displacement | 122 ci / 2 L |
|---|---|
| Bore | 3.3071" |
| Stroke | 3.5433" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 10.5:1 |
| Bore/stroke ratio | 0.933 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Redline | 6,750 rpm (factory limit) |
| Advertised HP | 158 hp |
| Years | 2007–2017 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 2007 | net | 158 @ 6400 | 141 lb-ft @ 5000 | — |
| 2008 | net | 158 @ 6400 | 141 lb-ft @ 5000 | — |
| 2009 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2010 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2011 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2012 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2013 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2014 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2016 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
| 2017 | net | 158 @ 6400 | 141 lb-ft @ 5000 | 10.5:1 |
Factory specification sheet.
| Bore/stroke character | 0.933 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 30.5 ci |
| Static compression | 10.5:1 — in the range that usually runs on pump premium |
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 |
|---|---|---|
| 2007 | 158 hp | World Engine 2.0 |
| 2008 | 158 hp | World Engine 2.0 |
| 2009 | 158 hp | World Engine 2.0 |
| 2010 | 158 hp | World Engine 2.0 |
| 2011 | 158 hp | World Engine 2.0 |
| 2012 | 158 hp | World Engine 2.0 |
| 2013 | 158 hp | World Engine 2.0 |
| 2014 | 158 hp | World Engine 2.0 |
| 2015 | 158 hp | World Engine 2.0 |
| 2016 | 158 hp | World Engine 2.0 |
| 2017 | 158 hp | World Engine 2.0 |
2 factory vehicles, 2007–2017. Each year opens that model's engine table.