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How To Do a Subaru WRX Swap into a RS

In this blog post we go over some of the biggest challenges and mistakes people make when swapping a Subaru. A huge shout out to Bucky Lasek for letting us swap his car as well as his dope editing skills! The full weekend swap can be found on the Buck...

Subaru EJ205 Breakdown

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...

What is Subaru AVCS? An AVCS equipped JDM engine swap guide for your USDM 2002-2005 WRX

If you are looking for information on the older generation non-AVCS engines please take a look at this POST. What is AVCS? There are several ways that engineers can improve the performance and efficiency of engines. Camshafts, which determine when intake and exhaust valves open, are typically best suited to certain...

Subaru Project Do's and Don'ts

iWire has been a part of a few thousand Subaru project over the years. We thought it would be a good idea to give some general tips to people doing Subaru projects of their own. Below are some do's and don'ts that we recommend for almost every Subaru project whether...

Phase 1 vs Phase 2 Subaru Engine Basics

In this blog post we go over the differences between phase 1 and phase 2 Subaru engines. If you are looking to replace a blown engine, click here. What is Phase 1 and Phase 2? Phase 1 and Phase 2 refer to the year the engine was made. There are...

EJ20X and EJ20Y Dual AVCS

We’ve been getting this question a lot lately, "I purchased an EJ20X or an EJ20Y engine and I want to get the Dual AVCS (exhaust side AVCS) working in my car." The short answer is that unless it's a very specific case, the exhaust side AVCS is not going to...

98-01 Impreza/OBS and 98-01 Forester Differences

In this blog post we talk about the differences between the 98-01 Impreza and 98-01 Forester wiring harnesses. When swapping either the Impreza or Forester people mistakenly think that the wiring harnesses are interchangeable, but they are not. Although the interiors and engines of the cars are the same, the...

EJ20 - You're Going to Have to Be More Specific

        We get calls and emails all the time about people wanting to swap an EJ20 Subaru engine into their car and we love to help with this! However, it's not enough information since the term EJ20 is a very general identification for any Subaru EJ engine...