340 in a 1966 valiant, remote oil filter woes

youll know you got a plate when you see a bunch of holes under the adapter. The canton bolts directly to the block IIRC but still needs a perimeter gasket. I have an older one that bolts to stock plate with an O-ring. Its smaller than todays. It is tough down there to work, but I didnt have it as bad as you. Supercomps in a 65.