While you are under there, a check for cracks would be a good thing to do. I gave a presentation on fatigue failures to the advanced students at the Driver's Edge event last weekend. A couple of hours later, a Miata hit the pit wall when a control arm weld broke. Analysis of the fracture surface showed rust over half of the fractured area - i.e., the control arm was failed long before the car showed up at the track. It just hadn't completely separated yet. The location would have been hard to spot visually but you certainly aren't going to find it if you don't look...


Richard P.