HEY ANDRE, LOOK UP AT THE BACK SIDE OF THE CYL HEAD , THERE SHOULD BE A SMALL PLATE WITH ABOUT A 1/1/2 INCH HOLE IN IT AND YOU CAN SEE THE OIL PLUG THRU THE PLATE IF IT IS THERE THE PLATES ARE GOLD COLORED OR CORRECTLY CALLED GOLD IRIDITE PLATING , THE BOLTS THAT HOLD THE PLATES WILL BE BELOW THE PLUGS , SHOULD BE ONE ON EACH CYL HEAD AT THE BACK , THIS COULD BE WHERE THE OIL IS COMING FROM ANYWAY , EVEN WITH THE PLATES IN PLACE , THEY ARE THERE TO KEEP THE PLUGS FROM BLOWING OUT , THE OIL COULD ALLSO BE COMING FROM LEAKY VLV CVR GSKTS , NOT UNCOMMON, AND MOST LIKELY , SEND ME YOUR EMAIL AND I CAN SHOOT YOU A PIX AND MAYBE YOU CAN POST IT FOR EVERYONE TO SEE WHAT WE ARE TALKING ABOUT I STILL HAVE A SET OF THE PLATES , THAT I COULD MOUNT ON A CYL HEAD OR BLOCK JERRY