Although fans and owners of the WRX STI hoped that Subaru would offer the 2.0-liter turbo flat-four in the STI S209 for North America, the Ebisu-based automaker didn’t make their wish come true. The ...

Since we last left off with our Subaru build, we repaired and upgraded our EJ25 cylinder heads with a set of Kelford R-199-B (264/260 duration) camshafts and Supertech valvetrain, and got the head ...

First introduced in 1989 with the Subaru Legacy and Subaru Liberty, the EJ series (and its EJ20 and EJ25 variants) became a fast favorite for the flat-four "boxer" layout. With a low center of gravity ...

When Subaru announced it was bringing an S-series WRX STI to the US for the first time, we wondered what engine would power it. A turbocharged boxer-four, obviously, but the Japan-only S208 used a 2.0 ...

The flat-four Subaru EJ engine is like that tough old man who's a fixture at a local dive bar: he won't start shit with you, but he'll definitely finish it if you step to him. Now, after 30 years in ...

Taking a look through the U.S. lineup, Subaru has two outdated models that haven’t made the switch to all-new underpinnings. These are the WRX series and BRZ, the only cars that Subaru developed ...