[35 5window]

Mac sells a tack strip for the door jamb B pillar and it might work. It's made of a hard rubber material and comes in two sizes and you tell them how long it needs to be and it's sold by the foot . If you can dig out a small piece and measure it for comparison you might be able to find the right size . The twisted paper rope which was soaked in tar was used back then and as far as I can tell no body makes the original stuff any more unless you used a piece of Hemp rope and soak it in hot tar that might work.