i need help finding a part or een part # for the gasket between the head and intake. i have 3 out of 6 leaks aroung the sparkplugs of the cylinders starting from the left side of engine as you face it. i think this is what has caused the misfire and terrible gas milage the last month. also noticed a loss if oil but could never find a leak or evvidence when i got it smogged. any hel pwhould be great.