Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

That alone reduces emissions and increases engine longevity. The rotary valve also means that the blockages caused by conventional poppet valves are not an issue as poppet valves are not needed in ...

An internal combustion engine, at its core, is similar to a giant air pump. To produce power, it sucks in fresh air and fuel, compresses that mixture, and then explodes it, before expelling the burnt ...

The GM Gen 6 Small Block is a family of gasoline eight cylinder engines produced by General Motors Company for use in various vehicles, including sports cars, pickup trucks, SUVs and possibly vans.