When it comes to modern internal combustion engines, there are two types that dominate the industry: pushrod and overhead camshaft (OHC). While pushrod engines were the stars of the show for many years, they have fallen out of style in the last few decades. And although you can still find many cars with pushrod engines, including General Motors’ notorious LS engine line, most modern vehicles feature SOHC or DOHC engines. But what does that mean, and what’s the difference
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