How much HP can a EJ20 handle?

300 whp: The EJ20/EJ25 engines can handle 300 whp maximum with stock internals with no further modifications other than a proper fuel management tune. 400 whp: We suggest a set of forged AMR pistons and billet rods to safely boost up the engine.

What is a EJ205 engine?

The EJ205 was first introduced in 1999 in Japan and 2002 in the US market. The name EJ205 is just a basic designation of an EJ engine, with 2.0 liters of displacement, and the 5 or 7 is an identifier for whether it came out of a WRX/Forester (5) or STi (7).

Is the EJ205 Turbo?

For the Subaru GD/GG Impreza WRX , the EJ205 engine had a Mitsubishi TD04L turbocharger.

What cars came with the EJ205?

EJ205. This engine series is used for WRX models in the world market outside Japan as of 1999. The Japanese WRX models use the EJ207 from 1999~2001, except the 5-door wagon which also uses the EJ205. After 2001, all WRXs used the EJ205, until 2006 when the USDM WRX model changed engines to the EJ255.

How much boost can a stock EJ205 handle?

The EJ205 handles additional boost and power very well. It’s quite happy in the 300whp range. I wouldn’t worry too much about internals unless you start messing around with more aggressive mods than a bolt on turbo swap.

What Turbo does a EJ20 have?

EJ208 rev D phase 3 engine uses VF33 and VF32 turbochargers, and their boost pressure is 13 psi (0.9 bar). Also it was equipped with a new intake manifold, 550 cc fuel injectors and other camshafts. EJ20 firing order is 1-3-2-4.

How much horsepower can you get out of a WRX?

The Subaru WRX has tremendous performance out of the box. The latest version (the 2015+ model) has 268 horsepower. And the STI model has 305 hp! The WRX can do 0-60 in 5.4 seconds.

What should the horsepower be on an EJ205?

Stock EJ205s tend to spin rod bearings when you push them without taking the proper measures to protect your engine. I would consider 320-330 whp the safe maximum if you want to engine to last a long time. Its 99% in the tune.

When did Subaru start making the EJ205 engine?

In 1998, as naturally aspirated engines, the manufacturer started producing the Phase II engines: EJ205 for Impreza WRX and EJ207 for Impreza WRX STI. These engines have new cylinder heads with redeveloped intake channels, lightweight pistons.

What kind of engine does a JDM WRX EJ205 have?

Here is a clean JDM EJ205 engine with TD04 turbo, AVCS and TGV options as well. This package includes the Turbo Subframe, Downpipe, Intercooler and JDM AVCS harness. This package is design for Impreza non turbo, naturally aspirated. Here is a 06 07 JDM WRX EJ205 engine with AVCS and TGV option for 2002-2005 fitment replacement.

Which is better 2.5 liter turbo or EJ20 Turbo?

It is highly recommended to use high-quality engine oil and fuel. The EJ20 turbo engine is more reliable than 2.5-liter turbo engine due to thicker sleeves and better cooling of a cylinder block.