Wait, I did not think the block serial number needed to match the VIN to be correct, only the engine code did? (In this case it should be a YT block.) The actual serial number block that should be in the car can be obtained from PHS documentation, correct?
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible