1973 Dart Sport side glass....

Ben Drinkin said

At the risk of being a hijacker, can I put 73 swinger doors on a 73 Sport and use the glass from the sport?

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The curvature of the glass is different, so none of the guts will work. The inner door frame is different as well.
Duster/Demon/Sport doors are all unique to that body style regardless of year