I currently have an e250 with a 351 an since the van is 1 of a kind already an i dnt wanna buy a f series truck id like 2 swap out the 351 for a 7.3l turbo dieselan make it completely unique. My ? Is what yr 7.3 do i look for an does it mattr it its out of a f350 or does it need to b out of an econoline? My van is a 96. Now i know its gonna b hard work an i gotta change alot over like fuel pump trans rearend an wiring harness but its sumthin i wanna do i just need to know what motor an what yr truck or van it will fit from. Thanks for any help which i hope sumone can b