When I had my 4/4 Sport from new the wipers did the same thing, I spent quite a bit of time ensuring the blades were flat onto the screen and that got rid of the juddering and produced a cleanish wipe for a Morgan.
2009 4/4 Henrietta 1999 Indigo Blue +8 2009 4/4 Sport Green prev 1993 Connaught Green +8 prev
