David, For $45 you can get a letter and build sheet from Chrysler Historical verifying your car based on the VIN. See below for info. http://www.chryslerheritage.com/pg904.htm If you're in a desparate rush, I can give you an email address off-line. I wouldn't want to post it without permission. I don't have a phone number. Also, if you're in a rush and want to confirm stamping numbers and such, Galen Govier will answer 10 email questions for $50. http://www.gvgovier.com/services.htm FYI, the block should have an A426 stamped on it. - Jim Jim Altemose, Long Island, NY '63 Polara 500 (Max Wedge), '65 Belvedere I (Street Wedge), '71 Bronco