On older vehicles and smaller engines, the carburetor controls the mixture of fuel and air that reaches the engine. Here's ...

Regardless of the larger target of extracting big power from your engine build is the primary goal of building a well-tuned combination that provides strong performance across the rpm band. And as ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

Since it came out in 1997, the LS engine family has altered the landscape of Chevrolet performance almost as much as Gen I series small-block. It's a great performer in modern vehicles, but its ...

3D printed materials have come a long way in the last decade or so as printers have become more and more mainstream. Printers can use all kinds of different plastics with varying physical ...

Peterbilt Motors Co. announced that a California-compliant version of the Paccar MX-13 diesel engine is now available in its Model 579, Model 567 and Model 589 trucks. The engine is compliant with ...

Kenworth has introduced a California Air Resources Board (CARB) compliant version of the Paccar MX-13 engine. The engine is available as a spec for heavy-duty Kenworth models that meet 2024 ...