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2026. 8. 21. 작업

난이도 & 준비물

증상

I'm interested in learning more about the steps that can be taken to increase the performance of an engine. I'm curious how much displacement affects performance. For example, compare the following two engines: 4 cylinder, 1000cc 6 cylinder, 1500cc Is it possible to increase the displacement of the 4 cylinder engine to match the performance of the 6 cylinder, or are there other factors involved (i.e. how much do number of cylinders matter)? I imagine that there is a limit to how much you can increase the diameter (bore) of the cylinders. Is there a common range of how much you can reasonably i

처리 내용

You have a lot of big questions here, so will try to answer them for you, but be ready for the diatribe of the century ;-) There is a simple rule when talking about power/torque output which goes: There is no replacement for displacement. If you increase the size of the four cylinder (through whatever method) to match the size of the six cylinder, you will not usually have the same output. There is a rule of thumb which says, to get greater torque, you increase the displacement. To increase the horsepower, you make your engine spin higher. Torque gets you moving, horsepower keeps you moving. Even though the displacement of the four cylinder engine is same as the six cylinder, the six cylinder will fire two more times per engine cycle. This creates smoother power (less vibration). Think of using a huge single cylinder engine having the displacement as your six cylinder. While the single cylinder will be able to run, it will not spin up (rev) as fast as the six cylinder, nor will it be a