One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you've been around the Mustang scene for a while, you've probably heard of Fuel Air Spark Technology (FAST), or at least the aftermarket engine management system from the same company. Several ...

As the world that is our Mustang hobby continues to evolve and the methods by which we improve ’Stangs’ engine performance become more dynamic, monitoring the mixture of air and fuel has mandatory ...