Subaru built the only twin turbo flat four in a production car. Here is how this rare EJ20 setup worked, why it struggled, ...

After a handful of naturally aspirated mods, we just couldn't wait any longer before subjecting Mini Mouse (our 4.8L LR4 test engine) to some positive pressure. Mini Mouse has been built to ...

Before beginning any turbocharger installation, a few considerations must be explored to assure that the turbo system will be compatible with the engine and application, and vice versa. So rather than ...

Twin turbochargers have their pros and cons, and two main setups try to maximize the pros. Here's the difference between parallel and sequential twin turbos.

In our last edition of Project SE-R Revisited, we got our car running again with a turbo kit in place. The base Turbonetics turbo kit produced gobs of power, making ...

As you get serious about turbocharging and begin to shop around for the components you will need, you will discover that a variety of installation kits, individual pieces, service parts and other ...

I’ve heard too many dudebros incorrectly referencing turbocharger functions for far too many years. It seems that nobody can tell a wastegate from a blow-off valve, and today I’m going to school ...

A turbocharged engine features several components for it to efficiently build boost and function correctly. The intercooler is there to make the most of the compressed air heading into the intake ...