Borbas are you sure it's 100000708, and not 10000708? This link http://www.jimsperformance.com/blocks.html shows a 10000708 as a 1980 301 Pontiac engine. Third row down. Yes you can send some photos. My e/mail is in my profile.
Brian 1955.2 3100 Truck The older I get the more dangerous I am!!!!!