Rich,
Grand Junction was the driver error, I went around the sweeper and man handled the wheel and it resulted in bicyling, turn out of the corner, into the weeds, spin, push it on the track (after everyone passed since I was in the racing line) and then drive like I stole it.
The exhaust knuckle worked loose and was spewing exhaust on me and my seat. Now I know what a hot butt feels like! 8)
BTW… can you or should you use blue locktite in a bolt that screws into the cylinder? Anyone? Anyone?