Well after several trips to the track I finally found the problem that was turning the car off intermittently. My car is a 225" Spitzer with a 509 bbc. This is not my first Fed. I was as soft as I could be, leaving at 3600 , shifting at 6800. It ran 3 - 8.11's at 165. Weather was horrible with 79% humidity , 89 degrees. In half good weather that would be easy 7.90. Went two rounds in S/P. I took to much stripe do to lack of seat time. All in all I had a big smile all day and had every spectator in my pit looking and taking pics. Still the most fun you can have with your pants on.