Originally Posted by
Bianchigirll
I never recall using Locktite on FC myself but know some do. You need ot crank a fixed cup pretty tight, hence the name, and if your just using a standard BB tool without a cheater bar you may not have enough UMPH! to do the trick. My tool is over the top modified with a 3/4x3 Aluminum bar stock about 4 feet long. it was free and does the trick.
+1....I had a FRENCH fixed cup come loose, even though I tightened it. Quickly found out they need the be really tight!!! Second time I used loctite and a cheater bar on the fixed cup tool.