Originally Posted by jeromerc

Monty, I have some exceed after run oil is it safe to put in the engine? I am only going to use the lightning when I am showing people it or when racing and actually getting my setups for the race. I have two newer engines and two older ones to use when I just go to the track and practice, so it might sit for a month before I get it out again, if the after run isn't good what would you recommend doing to keep it fresh?