Under The Hood

Under The Hood is a collection of articles related to our interests in the automotive industry. We write about works we are currently performing to our vehicles, automotive events we attend, and other things that we believe will interest any car enthusiast.

Drifting at Thunderhill Raceway Park

In this AutoInstruct Under The Hood blog post we go drifting at Thunderhill Raceway Park in California! Read our story within, where we make new friends, and we're invited to ride along in a very quick Nissan S14!

Welcome to Under The Hood - Presented by AutoInstruct

We welcome you to our brand new blog, called Under The Hood. This blog will feature many of our suppliers and their products, plus we'll take you inside local workshops as we learn more about their businesses. We will also invite special guests to write featured articles, from new products to insane builds.

Subaru FreeSSM - Complete DIY ECU and TCM Management

Subaru vehicles from MY1999 onwards, including the Legacy, Liberty, Outback, Baja, Impreza, Forester and Tribeca can be analysed using a Subaru Select Monitor (SSM). SSM is an OBD based tool that allows configuration and customisation of the Engine Control Unit (ECU) and Transmission Control Unit (TCU), which is great for diagnostic and tuning purposes.

GC8 Impreza WRX - Not Another MAF Sensor!

If you're a GC8 enthusiast, you've undoubtably heard of the plagued MY99-MY00 MAF Sensor issues. This sensor often leads to poor engine performance, lean fuel mixtures, and a variety of other issues such as fluctuating idle control or limp mode activation. We constantly hear the phrase 'Replace your MAF Sensor' as the first point of call to almost every MY99-00 engine problem. At $250 AUD each, it's certainly not a cheap test!