318-360 swap need some help

[JRopes98]

I have a 2000 with a 318 and whenever I'm pulling trailers or hauling wood or any of the many things I use my truck for the engine is struggling I need more torque so im going with the 360 I just need to know every extra thing I will need to put it in my truck is a 5-speed and the engine I'm looking at has an automatic tranny anything I will need to change or buy? Thanks