[evilmustang]

Has anyones spark plugs turn red? The white part closes to where the spark is produce on autolite 25 was red when i removed them to change em. New that part is white but I remove to change and they were red. This is the first time this has ever happened. I always had my timing at 12, but recently i advanced to 14 and then this occured. it happen after a went to 14. Was this the cause of advanced timing? I put the timing back to 12 to see if it happens again.