20" rims on 64 . Anyone have specs? Home › Forums › Tech Help › 20" rims on 64 . Anyone have specs? Tagged: 20". Wheels. Rims This topic has 2 replies, 3 voices, and was last updated 6 years, 11 months ago by Socal Jon. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts June 7, 2017 at 9:24 pm #1494 JoeParticipant Check out Detroit steel they usually do a 20″ x 9 or 9.5″ wide May 8, 2018 at 6:32 pm #1687 Socal JonParticipant I have a ’64. I went with Detroit Steel Wheels. 20×9 with 4.5in backspacing. Tires are 245/40/20. I have mine bagged, and am about an inch off the pinch weld. Hope that helps. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Connect with: Log In