1998 PONTIAC GRAND PRIX GTP -- REAR VALVE COVER GASKET DESIGN IS EXTREMELY POOR -- IT IS ONLY THE SIZE OF A SPAGHETTI NOODLE. IT CAN NOT CONTAIN THE OIL PRESSURE FLOW, THUS LEAKS ENGINE OIL DOWN THE REAR SIDE OF THE ENGINE ONTO DANGEROUSLY HOT COMPONENTS -- THIS RESULTS IN: 1)A HIGH CONCENTRATION OF TOXIC BURNT ENGINE OIL FUMES ENTERING THE PASSENGER COMPARTMENT, 2) ENGINE OIL LEAKING/SPRAYING BACK ONTO THE EXTREMELY HOT CATALYTIC CONVERTER, EXHAUST MANIFOLD HEADER, EXHAUST PIPE AND 3) A VERY HIGH RISK OF FIRE IN THE ENGINE COMPARTMENT AND UNDER THE CAR. *TR