Thermostat Housing Leaking

[Red's '72 Dart]

I used Toyota F.I.P.G. sealant. Toyota uses this for everything on their motors. No waiting if used in cooling system. Half hour to one hour wait for oil seal.

Genuine Seal Packing (FIPG) 103 Liquid Oil Pan gasket 0029500103 https://www.amazon.com/dp/B000EDDTV0/?tag=fabo03-20