I have a 360 crate short block in 11secdart and always had a problem with leaking pan gaskets until I put in the stock replacement 360 magnum gasket with right stuff, no problems ever since.

68 Dart 410 / 904
92 D150 original owner
21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4
23 Audi Q5
16 Honda HRV