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4 cylinders 16 valves.
4 cylinders x 5 valves (each cylinder) = 20 valves total
60 (5 valves for each of the 12 cylinders. Three of the valves on each cylinder are for intake and two are for exhaust.)
A Reliant Robin of course. What about the Trabant? Many people consider Alfa Romeos very unreliable.
4 valves per cylinder. 4 Cylinders 4x4 = 16
This engine (allowing it is an automotive engine) is a four valve per cylinder engine.
A Reliant Robin has three wheels, so must be more careful (slower) on sharp bends than a four wheeled Mini. Many years ago, I once saw a reliant turn on its side after coming out of a sharp bend in North Wales. The two male occupants clambered out unhurt and tipped the reliant back on its wheels. What happened after that I don't know, as I cycled past.
Obviously 16v. The number in the name is the amount of cylinders, while the "v" is the engine configuration. So 16v is better because it has 2 times as many cylinders. Usually when the "V" is after the number it refers to the number of valves not cylinders. So a V8 16v could mean an eight cylinder v configuration with 16 valves.
All cylinders are moving at the same time weather it is on the intake or exhaust stage. The valves close and open in cycles. Click the link to learn more.
They will have the same amount of each at all times. This is incorrect...i.e. there are many 12 valve 4 cylinders in existence- the math alone proves my point. When the head is engineered, valves are placed and sized for the best flow- there is no reason an engine requires an even number of valves.