Nowadays, modern engine is often made from special metal alloys, and much lighter than earlier engines. So the powder and performance of a modern engine are increased. Also, material for crankshaft has been improved, and tungsten alloy is more and more used as the material for crankshaft.
Modern Engines-Front View of a Ford Cosworth V6 12-Valve (modern engine) |
Modern Engines-Front View of a Ford Cosworth V6 24-Valve |

|

|
It Is from Page 344 of Visual Dictionary |
It Is from Page 344 of Visual Dictionary |
Modern Engines-Sectioned View of a Jaguar V12 (modern engine) |

|
It Is from Page 345 of Visual Dictionary |
Modern Engines-Sectioned View of a Jaguar Straight 6 |

|
It Is from Page 344 of Visual Dictionary |
Modern Engines-Front View of a Jaguar V12 |

|
It Is from Page 345 of Visual Dictionary |
Modern piston aero-engine |
 |
It Is from Page 410 of Visual Dictionary |
|