At first I thought the outer needle bearings might be rusted to the control arms but I do see the substitute red poly bushings. I'd still pump is lots of Molybdenum grease - until it oozes out. I don't think an anti sway bar stiffens ride going straight - just around hard corners (when you want it). VW added the front one in early '60 to keep a higher center of gravity bug right side up - a Z shaped rear bar was added briefly in late 60's (69?). I read ages ago that you should not add just one - you should do both front and rear for handling predictability. If you get out to NW FL I'm sure I have a stock skinny bug bar (you might have to mod front bumper brackets though). I might also have a rusted out beam with greasy intact bar springs for experimentation.