This post discusses the differences between 3-pin TGVs and 5-pin TGVs. What is a TGV? A TGV or Tumble Valve Generator is a piece of emissions equipment that reduces the air into the engine when only a small amount of air is required. It's located in between the heads and the upper intake manifold...

This blog post discusses what a Fuel Pump Controller is, what it does, and how it works. If you want to diagnose a fuel pump controller issue (P0230), please take a look at part 2 by clicking here. For more about fuel pump upgrades, click here. What is a Fuel Pump Controller?...

In this blog post, we review cruise control in your Subaru and the options available when doing an engine swap and wanting to retain or add in cruise control.  How Does Cruise Control Work? There are three types of cruise control depending on your type of Subaru. In general, a cruise control...

In this post, we'll talk about the engine change guidelines for the state of California and the BAR engine change referee process. We'll include the critical information you'll need to know if you are looking into this process when swapping your Subaru. This is not a specific guide for any particular...

In this blog post we go over how to identify a plug or receptacle for your electrical project. These tips generally apply to all car makes but we reference Subaru since that's our specialty.  Watch the video below to have Whitney show you what you need to know!

This is part 2 about Subaru automatic transmissions. If you haven't read part 1, please start by clicking here. The following post is about what happens with swapping the automatic transmissions as a replacement and/or with an engine swap.  Cliff Notes If your car came with an automatic transmission and you...

This blog post is part 1 of a 2 part series about Subaru automatic transmissions. Below we will discuss the basic differences in Subaru automatic transmission setups. Cliff Notes: Automatic transmissions require a computer (TCU) to shift properly The TCU communicates with other parts of the car like the ECU...

This blog reviews options for removing your stock Subaru gauge cluster to install a digital dash. If you are looking for a plug-and-play harness, please email us at info@iwireusa.com. What is a Digital Dash? A digital dash is a small computer that replicates the inputs of your stock gauge cluster with a...