What is the road like on that 10 minute portion? Have you checked for the spring spacers as well? Killeen roads are pretty horrible, but I haven't "bounced" around at all. Then again I avoid holes, bumps, and the like when possible.
I think we need more info to assist you here.............
__________________
 2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL
|