This 1981 A36TC Bonanza has 4,000 hours on the airframe, 15 hours since overhaul on its Continental IO-520TC, and 850 hours ...

Both pistons and valves move in and out of a space at the top of engine cylinders known as the “combustion chamber”.

Porsche's new patented six stroke engine might not be a thing of reality yet, but the new technology is still very ...