The engine is the heart of your car. It is a complex machine built to convert heat from burning gas, Into the force that turns the road wheels. The chain of reactions that achieve that objective is set in motion by a spark, Which ignites a mixture of petrol vapour and compressed air inside a momentarily sealed cylinder and causes it to burn rapidly. That is why the machine is called an internal combustion engine. As the mixture burns it expands, providing power to drive the car. To withstand its heavy workload, the engine must be a robust structure. It consists of two basic parts: the lower, Heavier section is the cylinder block, a casing for the engine’s main moving … Continue reading The Engine