It's illegal to put an engine in a car older than the car. So legally, you can't put a 67 chevy small block in a C6. Only engine you can put in a C6 must be an '05 or later engine. I believe that is a federal law. Torry >>So if I put a 1967 Chevy small block in my C6 Vette it doesn't have to pass emissions? ;-) >>Geo