Everyone may have different experiences with the "turkey pan". My experience has been using them is a PITA and increases the chance of an oil or vacuum leak. I don't use the cork or rubber end seals either. I use engine oil resistant RTV from Dow Corning or Permatex at the end seals. As for oil, I use Amsoil Z-Rod or Valvoline VR-1 in a pinch. The weight of oil used is determined by bearing clearances and severity of engine use. As others have said, a dead lobe, worn guides, or excessive RPM can cause the pushrods to bend. I hope you get it sorted without too much drama. Chuck