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  1. Vintage Mustang Forum
    I have been having a hard time figuring out the proper date range for finding a 390 to go back in my 1967 Mustang GT S code. I have read and heard the proper block code is anywhere from 2 weeks to 6 weeks before the production date of the car. Is that correct? My cars production date is May 22nd...
  2. Vintage Mustang Forum
    Hi -- I'm new to the forum. I know a little bit about old mustangs but not a lot. I just bought a '67 390 4-spd convertible on BaT. This site won't let me post a link, but you can go to that site and search the most recently sold 1967 390 convertible (dark moss green with white rocker stripes...