Introduction Subaru’s EZ30D was a 3.0-litre horizontally-opposed (or ‘boxer’) six-cylinder petrol engine. For Australia, the EZ30D engine was solely available on the Subaru BH Outback from 2000-03. Key features of the EZ30D engine included its: Open-deck, die-cast aluminium block; Aluminium alloy cylinder head; Double overhead camshafts actuating four valves per cylinder via shim-over-bucket lifters; Variable […]
Category: Engines
Subaru EZ30R Engine
Introduction Subaru’s EZ30R was a 3.0-litre horizontally-opposed (or ‘boxer’) six-cylinder petrol engine. Replacing Subaru’s EZ30D, the EZ30R engine was first introduced in the Subaru BP Outback 3.0R in 2003 and subsequently offered in the Subaru BL/BP Liberty 3.0R and Subaru Tribeca. Compared to the EZ30D engine, changes for the EZ30R included: A lighter cylinder head […]
Subaru EJ255 Engine
Introduction Subaru’s EJ255 engine was a turbocharged 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder engine. For Australia, the EJ255 engine was introduced in the Subaru SG Forester XT in 2003, but subsequently offered in the GD/GG Impreza WRX and BL Liberty GT (see table below). Developed in conjunction with the more powerful EJ257 engine, key features for […]
Subaru EJ257 Engine
Introduction Subaru’s EJ257 was a turbocharged, 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder engine. For Australia, the EJ257 engine was introduced in the Subaru GD Impreza WRX STi in 2005 and subsequently powered the GE/GH Impreza WRX STi and V1 WRX. Effectively replacing the 2.0-litre EJ207 engine, the EJ257 engine was a member of Subaru’s Phase II […]
Subaru EJ208 Engine
Introduction Subaru’s EJ208 engine was a 2.0-litre horizontally-opposed petrol engine with sequential turbochargers. In Australia, the EJ208 engine was introduced in the 2001 Subaru BE Liberty B4 which, with a manual transmission, produced peak outputs of 190 kW and 320 Nm. From 2002, the BE Liberty B4 was offered with an automatic transmission for which […]
Subaru EJ251 & EJ252 Engines
Introduction Subaru’s EJ251 and EJ252 were 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engines. For Australia, the EJ251 engine was first introduced in the Subaru BE/BH Liberty in 1998 and subsequently offered in the BH Outback, GD/GG Impreza RS and Subaru SG Forester. For the Subaru BL/BP Liberty and BP Outback, the EJ251 was replaced by […]
Subaru EJ253 Engine
Introduction Subaru’s EJ253 engine was a 2.5-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engine. For Australia, the EJ253 engine was first introduced in the Subaru SG Forester in 2005. Compared to the EJ252 engine which it replaced, changes for the EJ253 included: Reinforced casting around the engine’s main bearing journal; Alterations to cylinder liner shape; and, […]
Subaru EJ205 Engine
Introduction Subaru’s EJ205 was a 2.0-litre horizontally-opposed (or ‘boxer’) four-cylinder turbocharged petrol engine. In Australia, the EJ205 was available in the SF.II Forester GT from August 1998 and the GC.II/GM.II Impreza WRX from September 1998. As member of the Subaru’s EJ Phase II engine family, the EJ205 engine had a newly designed cylinder head with […]
Subaru EJ207 Engine
Introduction Subaru’s EJ207 engine was a 2.0-litre horizontally-opposed and turbocharged four-cylinder engine. For Australia, the EJ207 was first offered in the Subaru GC Impreza WRX STi in 1999 and subsequently powered the Subaru GD Impreza WRX STi. A member of Subaru’s Phase II EJ engine family, key features of the EJ207 engine included its: Aluminium […]
Subaru EJ201 & EJ202 Engines
Introduction SThe Subaru EJ201 and EJ202 were 2.0-litre horizontally-opposed (or ‘boxer’) four-cylinder petrol engines. Replacing the EJ20 Phase I engine, the EJ201 and EJ202 were members of Subaru’s EJ Phase II engine family which introduced newly designed cylinder heads with ‘tumble swirl’ intake ports. Please note that this article considers the EJ201 and EJ202 engines […]