[78w72]

Originally Posted by JSchmitz

I drew the same conclusion on my own. Had those junk rubber rear pan seals split and leak. Use cork seal and Ultra Black and it will never leak a drop.

i never had a 3 prong one, used the 5 prong later style on 3 engines that didnt leak... but that older 3 prong one was terrible & not even a professional shop could make it seal, their attempt leaked twice as bad as my initial attempt. finally found the cork gasket procedure & its worked great.