Have you treid adjsuting the windows as far as in and out movement(side to side) on the adjusters in the doors If not try that, you can also adjust the angle of the windows front to back to make them fit better in the back also. What brand seals did you buy? I did my 1971 Duster several years back and have no wind noise at all, a lot of exhaust noise but no wind noise, even above 100 MPH at the track