How Fuel Pressure Regulators Work
The latent energy content of gasoline is fixed — 124,000 BTU — and the amount of horsepower you can make depends on how much...
Engine Cooling: A Balancing Act
In racing, the prevailing wisdom for enhancing a car’s cooling system was simple. The more rows you can put in a radiator, the better....
Replacing a Miata Fuel Pump Sock
We all have read time and again that oil is the lifeblood of an engine, but without fuel, the engine doesn’t run, and if...
Fuel Supply and Demand
Imagine screaming down the front straight at your favorite track, when suddenly your engine begins to bog and sputter. You look over at the...
Draining a Spec Miata Fuel Tank to Minimize Weight
Anyone who races a Spec Miata is familiar with the Advanced Autosports adjustable fuel pressure regulator kit. I have had one on my car...
Exhaustive Research – When It Comes to Exhaust Outlets, Racecars Adhere to the Rule...
Exhaust tips are a strange thing to take pictures of, you might think. To be honest, I admit that it is kind of strange,...
Leaning the Mixture – Installing an adjustable fuel pressure regulator and an air-fuel ratio...
Horsepower doesn’t come cheaply or easily in Spec Miata. Sometimes it doesn’t come at all. First, the engines are tiny, measuring either 1.6 or...
How And Why To Do a Cylinder Leakdown Test
When considering the purchase of a new racecar or evaluating the health of the engine in the racecar you already own, compression and leakdown...
Swapping a K24 Into a Honda S2000
Omar Kaayal had to thank his lucky stars when a lightly-prepped Honda S2000 track toy rolled into his view with a drool-inducing low price...
The Art of Scavenging – Myths and methods of getting burned gases out of...
For the longest time, the prevailing wisdom in the paddock with regard to exhaust was the bigger the pipe, the better. Bigger pipes let...
