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 ...

While we have gradually discovered how much power an internally stock EJ20 can handle, we've been lucky enough to see others in the industry blow up engines instead of blowing up our own. This allowed ...

In the last session of the EJ20 build-up, the block's deck was reworked and the cylinders were punched out over at RS Machine. With the machine work done, it was time to assemble the water boxer ...

For over three decades, the EJ20 was the workhorse of Subaru, as the 2.0-liter flat four boxer engine would power models throughout the brand's lineup. However, it's the engine's generations of ...