Diesel engines need two things to make power: air and fuel. We know that's grossly oversimplified, but it's true. If you increase the engine's ability to ingest air, you can add more fuel and thus ...

When it comes to efficient power-adders, turbocharging is hard to beat. Rather than rob power from the crankshaft to spin a blower, turbochargers harness wasted exhaust energy to make boost. This ...