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Old 02-21-2013, 11:22 PM   #11 (permalink)
ciderbarrel
MPG is not linear police
 
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I hope someone here can teach me a thing or two about engine design, because I would like to know WHY 3 cylinders is better. I honestly do not know and I want to learn why. I figure that total displacement should be more of a concern than cylinder count.

All things being equal (if possible), which would be more fuel efficient: an I3, I4, I5, V6, or V8 2.0L engine? What about the same but the volume was 0.9L? 4.6L?

Is power tied to bigger cylinders and fuel efficiency tied to smaller ones?

I know the stroke and bore have a huge impact on an engine so for my examples, just assume they all have the same stroke, if that helps comparing them.

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