The blocks are different heights, but that isn't going to affect you. Pretty sure the accessories will be A-OK. Let me know when your done, if you think about it. You might check and see if radiators are the same. I bet they are, but I'd check anyway. I'l

Side tip: The easiest and fastest way to swap the engines is to REMOVE the cab/sheetmetal. Heres something to start you off: http://flatratetech.com/images/nav_how_to.htm