I am thinking about changing the valve cover gasket on my 1996 Plymouth Neon(see sig for the car). It looks like the grommets for the spark plug tubes were not sealed well, when I changed the valve cover gasket about 3 years ago. There is engine oil leaking into the spark plug tubes. At one time, there were huge amounts of oil deposited in the spark plug tubes, so much so that the ignition wire set connected to the spark plugs were completely submerged in the oil. These days, there is not that m...