[Nuts an Bolts]

Hi everyone... I found off craigslist , this 1965 (421 c.i.d.) #9778791 356HP - Code YJ, 93 heads, When I got to guys garage it was stashed under his work bench coverd in 25yr old oil and dirt and grease ..... I was the first person to take a dirty rag and clean the suffix code YJ and the casting date D-14-5, yet I still didn't know what this motor was.... So I call my Dad and we had quick beer and we pick this engine with in an hour... It was great pickin and having beer with my Pop he's 80yrs..... Can anyone tell me about this motor..... I would post pics , but I don't how to upload from my picture files on my computer to this site , cause when I click the picture icon on this post, a url box pops out! can someone help me !!! thanx Jim