Swaping out a 4.0L

[CruisinSplash82]

I've got a 94 Ranger with a 4.0L and I'm looking to swap it out for either a 4.6 or 5.0L or something along those lines.. Any ideas what would be my best/easiest choice for a swap...

 

[83bagged]

just do a 5.0, it sounds cooler!