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The camshaft does more than most drivers realize — and it's often the first thing to fail

This overlooked engine part controls everything, and most drivers never think about it.

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?

Is spring really — finally — here?

Spring gets its official start Friday in the Northern Hemisphere with the arrival of the vernal equinox. But what does that ...