Oil Additives, Good Or Goblin? | Support Forums
Mar 22, 2011· Seal conditioner is for leaking valve guide seals,its to stop oil passing the valve guide seals and being burned by the engine so you can pass an emission test and hopefully keep a car on the road for a few more miles without a cylinder head rebuild,it won''t fix an oil leak you need to find the leak and replace the gasket as the old one will probably have a split in it which no amount of ...