Engine #\'s I have my BBC on a stand in my garage, but having trouble seeing the #'s. Where exactlty should I look on the engine and once I get it, how can I get OEM info about it (original vehicle, year, etc)? Thanks. EDIT: It's amazing what a flashlight will do!!! Anyway I found the following info/#'s on it: Bellhousing: 3999290 CONV 1 GM9 I 20 71 (Found out means Sep 20, 1971 production date) Front Pass Side of Block: CE358413 So, can anyone decifer this for me? Thanks!!