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What Was The First Engine To Feature Variable Valve Timing & Why Was It Such A Game Changer?

The first production car engine with variable valve timing (VVT) came from Alfa Romeo in 1980. It was installed in the fuel-injected Alfa Romeo Spider. Before this, a few experimental systems existed, ...

What's The Difference Between Single And Dual Overhead Cam Engines?

Ever wondered what people are talking about when they say "dual overhead cam"? Don't worry, because we're here to explain it ...