Bob,
That's hard to tell since a ball joint is more or less an interference fit.
If there is a way for the wax to get down in there it wouldn't hurt that's
for sure. Next time I have to do that, I will try if I remember! It is
pretty amazing how well it works on threaded joints. I will say that I used
the technique to free up a head stud on my TR4A that was keeping me from
removing the head. The stud had rusted to it's hole in the head so it wasn't
really the threads that were the problem. It took a little longer since the
head was a giant heat sink but it eventually worked. I just heated the stud,
then melted the candle on top of it. You don't have to get the stud "red hot
or anything just hot enough to quickly melt the wax. Probably took about
15-20 minutes of heating the stud and melting wax down the thing. Some old
farmer probably thought of this when he didn't have anything else to try and
just passed it on.
Dave Connitt
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