I got my Ball joint extenders from Black magic a few days ago and have been looking for the best way to put them on. I want to make sure they are on properly and I heard that putting the ball joint under gives me a high lock up. Putting the ball joint over seems like its out of the questions because the ball joint does not bolt on properly and leaves space between the extender and ball joint. So I have 2 ball joint under choices choices, the 1st is the way they came with the extender angles up and the 2nd is the way I've seen it on other towncars with the extenders angled down. I also have 2 ball joint over (which like I said doesn't really seem to bolt up properly and leaves a space between the ball joint and extender) 3rd is ball joint over angled up, and 4th ball joint over angles down. Post up your pictures to see what works for you. (I have already checked and the only like 3-4 pictures I found were all in different topics and were all ball joint over...