Quote:
Originally Posted by jeff88
So it seems the general consensus is to use an engine with less cylinders. This makes sense as using less cylinders means using less gas. My question is why not use more cylinders that are smaller. So for example,
2 Engines, each 1.8 liters:
- Engine 1: 4 cylinder engine (.45 liters per cylinder) (ex. 79x91.5 borexstroke)
- Engine 2: 8 cylinder engine (.225 liters per cylinder) (ex. 39.5x45.75 borexstroke)
In the end, you still have the same size engine, just the bore and stroke is exactly 1/2 the size of Engine 1 with half the cylinders, but double the size cylinder. I'm thinking this might be more efficient as more cylinders will fire per revolution of the crankshaft.
Any thoughts?
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I think it's because of manufacturing costs.
Usually people interested in mpg also have a limited budget to purchase the car.
It would be interesting to discuss if a shorter stroke would mean less torque?