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...

The Honda Challenge: Swapping an Engine in One Night

If you’ve been going to the track for any length of time, you likely have witnessed an overnight paddock engine swap. Intense competitors, ready...

Heart of the Matter: Installing an Engine in a Spec MX-5

The third-generation Miata, the NC, has an unfortunate reputation. Seen as the only chubby member of an athletic family, it bears a heavy load....

Cooling System Facts and Upgrades

As the name suggests, an internal combustion engine creates heat. The enormous potential energy from a few droplets of gasoline compressed and mixed with...

Understanding Oil Coolers

When engine output rises beyond a certain threshold per liter of displacement, an oil cooler becomes more important, critical even. There is a lot...

HPDE46: Cooling System Refresh

The telltale stains on the driveway told me something was amiss, and it became clear it was coming from the lower radiator hose, or...

Shining A Light on the Black Art of Motor Oil Selection

Motor oil selection, particularly for performance and racing cars, seems to be a “black art.” Most people rely on manufacturer guidelines, recommendations and past...

Cold-Air Intakes: How and Why They Work

Whether we’re talking about a street car, a racecar or even a tow vehicle, one of the easiest-to-install and most cost-effective performance parts we...

Eight Tricks To Make Working A Cooling System Easier

If you like to play with cars, if you put your car on a racetrack for HPDE and especially if you race cars, you...

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...

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