Technical Articles

Future Fuel

What will power our vehicles in the days ahead? The gas pump has been a common fixture on the American scene for nearly 100 years. Do not

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Gas or Diesel?

When Buying a New Truck, SUV or Motorhome, You’ll Have to Make an Important Choice. Which is better, gas or diesel? It’s a question confronting more and

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How a Turbo Wastegate Works

The common turbocharger wastegate would seem like the height of simplicity, but high performance can add complications. BigHead vs. Stock actuators Let’s begin by describing what a

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How Air Flows

Understanding why air behaves the way it does. This diagram indicates laminar flow through a conduit. The length of the arrows represents the relative speed of the

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How An Exhaust Brake Works

Why exhaust brakes are so effective on diesel-powered vehicles. Diesel engines control engine speed and power output by throttling the amount of fuel injected into the engine.

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