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...

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