Why Does Harley-Davidson's Milwaukee-Eight Engine Have Four Spark Plugs?

The Milwaukee-Eight has four spark plugs, two in each of its twin cylinders, to account for more even fuel-air mixture ignition and provide better performance.

Scientists Finally Locate the Sun’s Hidden Magnetic Engine Deep Beneath Its Surface

New observations are helping scientists peer beneath the Sun’s surface, revealing where its magnetic activity may truly begin ...
CarBuzz

Hemi V8: The Engine America Can't Get Enough Of

The Hemi engine, made popular by Chrysler, has been one of America's favorite engines for decades. Originally developed as a means of gaining more power during the Second World War, the Hemi morphed ...

Your HEMI Engine May Have 16 Spark Plugs (And For Good Reason)

While a lot of automotive engines have one spark plug per cylinder, the HEMI V8 might have two per cylinder. What is the science behind that?

Inside One of BMW’s Most Infamous V8 Engine Failures

A dismantled N63 from a 2012 BMW 550i GT reveals what happens when rod bearings fail inside one of BMW’s most controversial ...