72 360 casting numbers

[pink70]

I have found a block with casting numbers 3418489.360 but cant seem to find any details on line that match this number. It is said to be out of a van.
Block also has other stampings, as shown on attached picture. Please help. Thanks

[Chryco Psycho]

http://www.yearone.com/updatedsinglepages/Id_info/mopar/mopar%20casting%20numbers/castingnumbers.html
 going from this chart I would think your block is a 3418496 , the 8 & 9 in the second last position could easily be mistaken with poor casting as could 9 & 6 in the last position , it definatly line up with the date code