What is the EJ255 engine?
EJ255 Subaru engines are 2.5L turbo flat four engines found in several 2004-2014 US models. It’s a strong engine from the factory producing 210-265 horsepower. EJ255 engines are also well known for responding well to tuning and mods. The EJ255 really is a solid overall engine.
What Subaru has the EJ255?
The naturally aspirated 2.5-liter engine began replacing new FB25 motors from 2011. The EJ255 is a turbocharged version released in 2004 as the engine for the Forester. 2005-2006 Impreza WRX and Legacy models also were equipped with the EJ255.
What did the EJ255 come in?
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).
How much HP can EJ257 handle?
They will hold up to 400 whp (again as shown in our PPIHC car), but if you want to push up to or beyond that power level, a set of aftermarket H-Beam rods would be recommended.
What Subaru engines are bad?
The Subaru EJ25 2.5-liter Boxer is the engine that has experienced the most problems for the Japanese automaker. The gasket material they used in this engine was unreliable and Subaru attempted to correct the issue in 1999 with an updated multilayered metal shim gasket. But some 2001-2009 engines still had the problem.
How much HP can ej257 handle?
How many horsepower does a Subaru EJ255 have?
It’s a strong engine from the factory producing 210-265 horsepower. EJ255 engines are also well known for responding well to tuning and mods. The EJ255 really is a solid overall engine. However, no engine is perfect and there aren’t any exceptions here.
When did the Subaru Forester EJ255 come out?
The EJ255 is a turbocharged version released in 2004 as the engine for the Forester. 2005-2006 Impreza WRX and Legacy models also were equipped with the EJ255. Th? first generation of EJ255 has open deck short block, and DOHC heads AB650s with variable valve timing system AVCS on the intake camshafts.
What should I do if my Subaru EJ255 Turbo fails?
A turbo with minimal or no oil flow isn’t going to fare so well. It’s a good idea to upgrade to a larger oil filter like the OEM Mazda filter that’s a direct fit for the EJ255 engine. You may also consider replacing or cleaning the banjo bolt. In rare cases, a turbo failure may cause internal engine damage.
Are there any problems with the WRX EJ255?
Problems with EJ255 ringlands, pistons, and rod bearings are usually more common on engines with mods. These failures do occasionally occur on stock engines, especially with age and mileage. However, it’s important to understand modding your WRX EJ255 may increase the risk of these issues popping up.