Diesel oil, or Kroil. Then let it sit for a few weeks. Using a block of
wood you might try introducing some vibrations into the block by the
cylinders. I doubt heat would be possible, since there is a water jacket
in that area.
When you try to turn the dampener bolt, try going both directions. Even
a little movement will help.
Good luck.
Peace,
Pat
Thusly spake May, Frank, On 8/25/2009 11:03 AM:
> My '69 2000 has been sitting since about 1974 when the motor was last turned
> over. I've talked with a machinist about tearing it down and restoring. I
> put a wrench on the vibration damper nut and tried to turn, but it's stuck.
> Any thoughts on how to get it unstuck without first pulling the head? I've
> shot lots of oil/WD40/carb cleaner into the spark plug sockets, but without
> results so far.
>
> Frank May
> SRL311-12936
>
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