the biggest problem with TQ''s is very poorly informed "mechanics". I once bought a TQ at a swap meet and just about every link was in the wrong place. You wouldn't believe the bending they had done to the links trying to fit them where they didn't belong. The next big mistake is tanking the bakelite bowl in super harsh solvents, and for extended periods of time. That destroys the glue on the main feed well-caps, and roughens and "dries-out" the glossy surfaces of the bowl. You only need to slosh it around in solvent cut with ATF to clean it. The most you might have to do to clean it is hit it with an old toothbrush. The glossy surface does not really hold on to dirt, rust, grease.