i have started to produce a oil pan ad on for rear of the pan,it is thicker than the pan rails,will fit into the rear of the pan  allowing pressure on the rails with washers to press on original bolt holes,we are confident it will eliminate rear pan leakage. as well have started on a better gasket,better than best gaskets.
just made a photo type and once cd growing will proceed. 10 will be avail in early  jan.  gasket and plate.
will sell for 100 us. with hoped for response will make more. those  interested send me your e mail and will send pictures

ct1940@shaw.ca.   mail cliff tate  18030 60th ave surrey bc canada   v3s1v6