400m/302 swap?? help?!
 

i have just been willed a 1978 ford f-150 2wd. body in great cond. but has not been ran in 15yrs. It has a 400m in it with an auto tranny. I was wondering if I could put a 302 with an auto tranny out of a 1980 f-150 4x4? can I? and do I need to change anything??? any info would be helpful thanks!!