Welcome: Two ways, wait for one of the more experienced guys to respond or try the search feature in the upper left hand side of this page. How to "ID an engine" or look at the sites' millions of pages and follow the links to other sites' pages with pictures and lists of block numbers and such. Stick around for a minute and the guys here at Stovebolt will get you headed in the right direction. Again, Welcome to the great source of info. for your new purchase. Have fun!