I was running my car tonight, and every once in awhile at full throttle the car would sputter a few times, than stall. Then I would restart, and do nothing different, give it gas and everything would be fine. It would happen everyonce in awhile. tank was full every time it happened. Tuning is has been pretty much left at factory turns, I leaned out the high speed needle a 12th. Could it be air in the lines? Here is a pic of my runnings. Should I run a longer fuel line?