318 or 360? That is my question...
What do you want to do with it other than daily driver. If its daily driver, stick with the 318 for economy. They are both reliable once built properly. If you want the power bigger is always better. I learned a stock 360 is way torqier than a 318. But mileage will suffer. I used to run a hot 318 in a duster that ran 13s, I love 318s, but power wise 360s built the same far outperform. My built 318 still got great mileage. It required a lot more rpm and cam to get it done though. Good luck with the build.