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David,
I too had difficulties in the past with spark plugs
"sticking" in the aluminum housing - yes, I always use "AntiSeize" compound -
but, it still happened.
What I took to doing is using a thread chaser after I
removed the plugs. Its similar to a tap, but without the sharp cutting
edges, its just designed to cause the distorted threads to form back into the
proper shape. I found one at an auto store it had a 14MM on one end
and smaller on the other -- I think they called it a "thread
chaser".
Don't know if that might help your problem or not - if the
situation was like mine where it as very hard to unscrew the plugs (and I
thought I had stripped mine as well), the thread chaser might salvage the
housing - or as someone suggested helicoil repair (never tried that
myself).
Good luck, let us know the results.
Ed
Sent: Friday, May 27, 2011 11:22 AM
Subject: [FlyRotary] Stripped Spark Plug Threads
I tried to change my spark plugs yesterday, and one of them came out (at
the cost of much skin and grit) after having fused with some of the
aluminum. I am afraid that the threads in the rotor housing are now badly
stripped.
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