Clutch Player – Installing a clutch on a Spec Miata engine the easy way
Depending on where you look, the two men credited with inventing the modern automotive clutch more than 120 years ago were two Frenchmen, Louis-Rene...
Under Pressure – an Inside Look at Oiling Systems
One of the first gauges we look at while we’re racing is oil pressure. Without sufficient oil pressure, your engine is at risk for...
Flow Testing and Machining Spec Miata Cylinder Heads
Everyone in Spec Miata knows that the 2015 rule set underwent some changes in the offseason. The rule changes themselves weren’t major, but the...
Transformative Processes – Preparing a production vehicle for spec-class racing
In the early days of sports car racing, most cars were based on stock, street vehicles. In the late 1940s through the 1950s, you...
Invisible Shield – Military-grade film protects paint from chips and scratches
In race conditions, cars are going to take a beating. From gritty track events to the aptly-named NASA “Sandblast Rally,” it might be wise...
Octane vs. Horsepower – Separating fact from myth in the debate over which fuel...
So many times I’ve heard different opinions from various experts on which octane fuel makes the most power. According to Spec E30 rules, “Permitted...
Pulling Less Power – New test equipment uncovers excess horsepower loss in power steering...
We’d all like to enjoy the benefits of power steering, but with none of the weight or horsepower draw, right? Since that’s not possible,...
Head Strong – Homing in on the state of the art in helmet technology
One of the first pieces of safety gear we buy — if not the first — is a helmet. But you need to get...
Understanding Airflow – Knowing a Few Principles of How Air Flows past a Car...
Since we can’t see airflow, there is usually a lot of mystery surrounding how it acts on a car. Unfortunately, airflow does a lot...
Geometric Concerns – Getting the Most out of Your Racing Suspension Alignment
If you can make the tires happy, you will automatically make the driver happy. Aiming all four tires in the right directions will optimize...