318 with 360 heads

I was (am) in a similar situation as you, just as lots of other members here. The tired old 318 in my 70 Dart is just plain ol worn out. I have a 360 on a stand and am preparing to do the swap. If you're considering a 360, you should try to find a 1989-1991 pickup for the donor vehicle. It has a roller cam, and the larger valves, but it is still an LA block, you will need a different pan (car pan) and different torque converter, a slight modification to the drivers side motor mount, and that's about it.