Do I go with the 318 or the 360?

I was originally going to say the only advantage of a 318 was that it would be cheaper, but not if it's putting out a lot of horsepower.
Disagree because the engine will just have to work harder and spin more rpm. It’s not the cost because they will all use the same parts to achieve the goal. The only parts that cost more are the pistons. Everything else is the same.