They all slobber not much for seals on any thing transmission, rear end, engine have cardboard under it all. They recommend 600w for trans. And diff. It’s vegetable oil used in meat packing machinery because it’s edible. Tried 90 w gear oil just leaks out so bought a 5 gal pail of shell Valvatta. Need to use DRIVEN hot rod oil in engine as it is the only one I can find with the heavy metals in it like zinc use that in dart also. They are fun though