General Motors' modern Ecotec engine family first saw the light of day in 2000, when a 2.2-liter inline-four making 147 hp debuted for global use in the Opel Astra — the German brand was a GM ...

What Does the Timing Belt or Timing Chain Do? On a conventional piston engine — which is found in virtually all modern passenger cars — the up-and-down motion of the pistons turn the crankshaft, and ...