In this blog post we go over the options for installing the immobilized ignition cylinder in a Subaru swap. The most important part is getting all of the necessary pieces from the same car. If all of the pieces are not from the same car, the immobilizer system will not...
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FA20 Engine Swap
This blog post describes what we’ve learned so far (as of July 2020) about doing an FA20 swap into an older chassis like a GC or GD. While this swap is remarkable and unique, we do not currently recommend it. Keep reading to learn why. Our recommendation is based on the...
Subaru Transmission Swap Wiring - What Do I Need to Make My New Transmission Work?
When putting in a new transmission in their Subaru project, most people think of fitment and engine compatibility but rarely consider the wiring. Don't get stuck with butt connectors, soldering, or, worst of all, leaving them unplugged! To complete your transmission swap, use one of iWire's simple Plug and Play...
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 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 engine...
Converting Right Hand Drive to Left Hand Drive
In this blog post we discuss the difficulties in converting a Left Hand Drive Subaru to Right Hand Drive or vice versa. We get this question a lot “I have a left hand drive car (LHD), I want to convert it to right hand drive (RHD), can you convert or...
What to Know BEFORE Swapping a Subaru
Please note as of December 1, 2024 we are no longer offering our engine swap harness merge services. To learn why click here. This is an iWire PSA - Don't let your swap dreams die! Too many times we have to be the bearer of bad news. This...
Subaru Wiring Harnesses Explained
This iWire blog post breaks down some basic harness terminology. We hope these diagrams will make it clear exactly which harness is which and the harnesses needed to complete your merge. Subarus are a bit different from most cars. With most manufacturers the ECU to engine wiring harness is all...
Subaru Test Mode
This blog talks about Test Mode in a Subaru. Test mode is a diagnostic mode that is used to test all of the basic functionality that the ECU controls like fuel pump and radiator fans. How do I know if my Subaru is in test mode? The simplest way...