Ok to use Permatex gasket maker on oil sump plate.

[BYprodriver]

Originally Posted by san rensho

Permatex red works fine, but its imperative to use just the slightest amount of sealant. Less is more. You have to lay a tiny bead, 1mm at the widest, all around the plate.

If you goober it, the sealant will squeeze out into the sump and can clog the oil intake tube.

Porsche service manual specifies 1.5mm