Hey there guys hope all is well! So as some of you know I started a rebuild on my 1965 ply.outh fury with the 318 poly heads. I got the engine and components all back in the engine bay and bolted up. I filled the refurbished radiator up with coolant and everything seemed good, had a small leak around one of the reducers I had to put in the water pump and the thermostat housing. While I was putting the spark plugs in I noticed a drop coming from around the header near the fire wall. I did some further investigation and found another small leak. From.what I can see it looks Ike its coming from the bottom of the head and the block mating surface. When installing the heads we sprayed the fel-pro head gaskets with permatex copper spray a gasket high temp sealant, let tack up for about 10 min and installed and torqued heads to spec.im hoping I do not need to replace that gasket, but it seems as though it may be leaning that way. Any advice or anything that it may be leaking from some where else would be great. I did check top end and places around the bottom side of head and it all seems to be dry and not running down from some where else. Ive attached a photo. Any advice is greatly appreciated. I just want to get her running before the snow starts the fly.