Maxima engine questions

I wanted to know if you could swap a 4th generation maxima engine with the 5th generation one? The one with 222hp? Or if you can swap the nissan engine with a skyline engine? If so...where would you get a skyline engine from and how much would it cost? Would it be cheaper to just get thicker connecting rods and bigger pistons with the engine sleeved? Or would it be best to get a skyline engine? If the swap can be done does anyone have any idea of anyone that does these types of swaps?:)

http://www.jspecengines.8m.com/nissanpage.html


Nice engines but these guys say its impossable, dude, sorry but unless u have like 100 k, then forget about the skyline:(