For Subaru EJ204 EJ205 gasoline engine
The Subaru EJ20 (DOHC) is a 2.0-liter horizontally opposed four-cylinder (Boxer) engine. Its common turbocharged variants (such as the EJ205, EJ207, and EJ20Y) feature a displacement ranging from 1,994 to 1,998 cc, a bore of 92 mm, and a stroke of 75 mm; they utilize a 16-valve configuration along with either dual or single AVCS technology. Depending on the specific model, the power output of these engines typically ranges from 200 to over 300 horsepower, and all feature aluminum cylinder blocks and heads.
Description
Core Specifications (Typical DOHC Turbocharged Model)
Engine Type: 4-cylinder, 4-stroke, water-cooled, horizontally opposed (flat-four)
Valve Mechanism: DOHC, 4 valves per cylinder (16 valves total)
Displacement: 1,994 cc (2.0 L)
Bore × Stroke: 92 mm × 75 mm
Compression Ratio: Between 8.0:1 and 9.0:1 (turbocharged versions); typically 8.5:1 or 9.0:1
Fuel System: Multi-point sequential fuel injection










