[xlr8or]

Check the casting numbers. It doesn't matter which one it is, they just need to plug that information into the computer as the SB100 process allows you to choose whether the smog standards are applied based on the year of engine or the year that the car/body represents. In this case you can claim 1964 as the body type and smog to that level. The above comments regarding a closed PCV system are important. You won't pass without it.