Hemi engines have had 16 spark plugs since the early 2000s -- which equals two spark plugs per cylinder. This article explains why they made that change.

Spark plugs play a key role in keeping your engine running, since it's that little jolt of electricity that ignites the fuel/air mixture in a motor's cylinders. And that little spark has to be ...

With its immense V8, it’s one of only 69 Camaros like it to be produced. Purpose-built dragster has biggest-ever engine in a Camaro. The 10.4L V8 engine produces 1,004 horsepower. Only 69 units were ...

Roche is to buy gene therapy firm Spark Therapeutics for $4.8 billion, adding an already-approved treatment for inherited blindness to its portfolio, and boosting its pipeline with a series of ...

After decades of service, the M4 carbine’s reign as the U.S. military’s standard rifle may be coming to an end. The SIG Sauer M7 and its companion, the XM250 light machine gun are set to take over as ...

All three engines are mated with proven, efficient six-speed transmissions in the United States and Canada. Specifically, the LV3 offers budget-conscious customers a state-of-the art truck engine, SAE ...

This review has been updated with test results for both six- and eight-cylinder models. Bringing hybrid technology to light trucks isn't a new or novel idea—a small increase in mpg is a large ...

The British car manufacturer Aston Martin unveiled the 2024 Vantage, and while it wasn’t an entirely new generation, it was a massive upgrade over its non-facelifted sibling. In late 2017, Aston ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power from ...