if you read the other thread, you will see the problem with the aftermarket seals - they dont "crush" correctly. i spent a few hours with this a while back AFTER i broke the door handle mechanism from slamming it x100 - folks, it WILL break something if you slam it often enough - i remember my dad blessing me out years ago for slamming the car door.... and they will NOT "settle in" after time.
so my simple fix was to release some of the pressure/flex on the seal by cutting a slit on the BOTTOM part (the part you cant see) with a razor and amazingly the door shut like a brand new lexus. i think air may get trapped in the channels - like trying to shut a door with a balloon in the way - the door would just spring back. odd fix, but it worked perfectly. i dont see any cons to the slit - the door shuts tight and no water or wind get in - the 2 pieces now just crush together.
also keep in mind this is for a door that will shut properly to start with without the seal. remember that a 35+ year old drivers door has been opened and closed 1,000's of times and the hinge pins get shot. most of the time its the drivers door that is the problem.
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OT, but dont ever buy the repro Scott Drake door handles/mechanism - they are POS - i've busted my 2nd one in 3 years on the drivers side - they might be ok for a show car that gets used 6 times a year, but not a DD.