Couple of questions, has anyone had the front hinge pins slowly work there way out? Seems like the 1.5mm screws that hold them in place do not seem to cover the hinge pins enough. Also, does xray make a aluminum shock caps for the car? Also I'm running the rear shocks on the front of the rear arms, what i get more rear traction running them on the rear of the car? One last question, the carbon fiber chassis says it's supposed to increase traction, anyone confirm this and does the carbon chassis bolt right to the 17 edition car?