Just went thru this on a non mopar. It was a rebuilt trans, so everything was clean and easier to see leaks. After going thru 3 gaskets I ended up doubling up the gasket and it’s now dry as a bone.

1957 Plymouth (Hemi, Dual Quads, A833 4 Speed 9 1/4 w 4.10) Sold
1937 Dodge Pickup (Hemi, 6X2 intake, 46RH, Dana 60 w 4.56) Sold
1968 Plymouth Valiant 2dr sedan (354 HEMI, 46RH w/4.30 gears) under construction