From trucks and RVs to boats, Chevy's 8.1L Vortec powered heavy-duty machines with massive torque. Here's what defined GM's final big block engine.

In their later years, Vortec engines have fallen victim to some downsides, like Active Fuel Management, an aggressive thirst for oil, and engine knocking. But back when they were brand-new, these ...

There was a time in American muscle car culture when the Big Block V8 was the king of engines. The bigger the displacement, the better the power and performance, but as the years have gone by, ...