The rocker arm employs the use of a fulcrum or pivot to increase the cam lift by a given ratio. That increase in lift is the result of moving the pushrod pivot point closer to the fulcrum. That ...

For racers, the most pressing questions we ponder late at night aren't about the meaning of life, the true meaning of beauty, or other such silliness. Yes, those things have their place, but we all ...

One of the most common valvetrain upgrades for pushrod-style engines is roller rocker arms, which are often said to increase horsepower through reducing friction. But is it true? You’ll find out on ...

NASCAR announced Saturday evening that is has assessed an L1-level penalty to the Petty GMS Racing No. 42 and No. 43 teams after it was discovered the cars driven by Erik Jones and Ty Dillon violated ...

Love classic cars and vintage engines? 🚗🔧 Join us as we explore the history, mechanics, and untold stories behind legendary vehicles! Watch and never miss an episode! #ClassicCars #VintageEngines ...