Small Details
Clearances inside a fuel injector are measured in ten-thousandths of an inch, and the duration they open and close is measured in milliseconds. Injectors...
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...
Straightened Six – Refreshing a cylinder head on a Spec E30
When it comes to affordability, Spec E30 offers some of the most cost-efficient racing on track today, especially if you can do a lot...
Putting Some Thunder in the Tundra – Adding a cold air intake and aftermarket...
We all spend countless hours prepping our racecars. However, many of us have another vehicle, which gets us to work, the local hardware store,...
Head Case – The NASA rulebook on Spec Miata cylinder head modifications is clear...
Here’s the reality in Spec Miata. The days of finding a cheap donor car with 100,000 miles on the clock, adding the required safety...
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...
