Considering how old this thread is, hopefully someone has an answer: I was hoping to use a K727 balljoint (the standard circle track large screw in joint) in the lower position of my C6 spindles, but the bolt is too large--looks like it needs an M14, not the big 'un on the K727. Doug, and...
Ancient thread bump I know, but I need a post to send Doug a PM--I just started dimensioning a C6 knuckle in Solidworks for my Volvo 122--would hate to re-model it if Doug would be kind enough to share it!