Thanks David. Funny that only my new nuts were loose though, and only on the drivers side. After thinking about that, and looking at everything I realized my i( I think) my issue is I used flanged nuts, and the bolt threads do not extend past the nut, just flush. The threads are not engaged enough on the nylon lock, so they come loose. I believe the original nuts did not use a washer? I'm going to replace them with new nuts that are not flanged & torque them to 45. Maybe use some blue loctite as well.