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...
Preventing Low-Speed Pre-Ignition in Turbocharged, Direct-Injection Engines
Turbocharging and direct injection have ushered in new levels of power and fuel economy from smaller engines, and cars equipped with that technology have...
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...
The Science of Spark Plug Wires
Back in the day, when a guy rumbled up to the drive-in and popped his hood for onlookers to gawk at his engine, one...
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,...
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...
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...
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...
Rocket Science – Achieving Better Engine Cooling With Proper Aerodynamic Principles
Keeping a C5 Corvette cool on a racetrack in 100-degree heat isn’t easy. Just ask NASA Utah’s George Smith, who had been trying different...
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...
