Body Swap ????
 

I have a 91 F150 4x4 5.0L and the body is finished on it rotten all over
and i found a 94, 95 F150 inline 6 4x4 with a good body one it for cheep and the engine is bad on it and the chasy is cracked so i want to put the 95 body on my 91 chasy
Is the Swap strait forward ??? will thare be much modifing boddy mound ect..
and will i have to modifi the wiering much ????
thay are bolth reguler cab long box

Thanks