Quote:
Originally Posted by sspolo
Let me start off by saying that I don't really know if a liter does anything to add power, but I would think it does. So by my logic, a V8 6.1 engine would generate A LOT more power than a V8 5.0 engine. But then again, I don't know much about engines....
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Displacement doesn't matter as much anymore as much as the technology that goes into it. It's just two different ways of accomplishing the same end result. The 5.0 is "smaller" in displacement, but the fact that it has dual over head cams allows it make similar power to the LS series of engines with slightly higher displacement. The LS engines, due to being over head valve design/push rod, typically make better low end torque, are easier to work on, and while having larger displacement are packaged a lot easier due to being dimensionally smaller then the DOHC Ford engines, which are very wide by design. The LS engines also weigh a bit less then the Ford MOD motors. Both have their pros and cons, both have a great after market, and both are very efficient and very reliable. The LS series, while being an "older" push rod design, is quite advanced, and even more so with the upcoming LT1 engine and all the tech that is packed into it.