tommayer wrote:

If you're feeling rich, try some Lenkite Av-Blend, or Lycoming LW-16702.
I've seen the Lenkite work on P&W stuck valves after marvel and WD-40 had
failed.
    I have a gun-nut world class pistol shooter pal who says Hoppe's #9
ain't what it used to be.  The EPA or somebody made them change the formula,
and they had to hire perfume makers to recreate the old scent.
According to my source the serious firearms types now use something called
Break Free, available at gun shops.  You might be achieving a first using it
on an aircraft engine.  It works better than Hoppe's on my pistols and
rifles.  Good luck.  Tom Mayer

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