Well John P. mentioned it first, but if it's Loctite, you'll need some heat to loosen it... been there, done that, but carefully.
Roy "Mr. Loctite" Drinkwater Lititz, PA
> Use the BIG Phil tool. Easier to man handle. A little gentle
>persuasion w/ a dead blow hammer making sure your go'n in the right
>direction may break the corrosion that's most likely the culprit. If the
>hammer thing scares ya, then usea 2 to 4 ft. length of pipe on the Phil
>wrench. How does that go " give me a fulcrum long enough and I'll move the
>World". Once she has budged, then work back and forth even if only a tiny
>amount at a time. Be patient. Don't forget these cups when installed
>correctly will be a little hard to remove (super clean threads of b.b. first
>( like with carb and choke cleaner) and then blue locktite. Some times too
>much locktite. If a little is good, then more is better. So too much is
>just enough).
>John T.Pergolizzi
>N.Y.C.