Hey guys,

I'm considering buying a 1970 Ford F350 dually. It has been sitting for about 5 years, and it is pretty filthy right now. The guy selling it tells me that the motorwas replaced with a "new" 390, and that he had only put 20K miles on it before it was parked. Is there someplace I can go or call and, have them run the numbers and see if this guys story checks out? Which numbers will I need to find out this information? Thanks