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Bad plugs

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Bruce Bowker

Bruce Bowker

Luke Skywalker
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Has anyone had this happen to them? I had two and was able, after some work, to get both threaded parts out of the engine with a screw extractor. First time one of those tools worked as it should.

Bruce
 

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I think perhaps I'd switch to Bosch or Champion... and just a *bit* of AntiSeize.
 
I don't have much choice where I live. The new plugs definitely have antiseize though!! I had visions of pulling the head. /ubbthreads/images/graemlins/frown.gif

Bruce
 
No doubt! That'd be unnerving.
 
Yikes, that looks pretty nasty. Never seen one come apart like that before.

You know those guides to "reading" plugs that they put in the Chilton and Haynes manuals? That picture looks like it came from one of those. I wonder what condition thats indicative of?
 
Pi**-poor maintenance?
 
I've had it happen on old engines that had been left sitting for awhile
 
Car has been maintained and it is used by my wife almost daily. It is a Ford Escourt, not a 1960's classic. Doubt it will happen again with the antiseize on them. A scary moment though. Not real easy to get to them. And only 2 out of 4, not all four. Bad plugs!

Bruce

Bruce
 
My Dad’s twin engine boat had that problem with 2 plugs. One on each engine of course. He had to pull the (V8) heads off (and everything in the way) and bring them home. The torch didn’t work. What he finally did was insert one of those round carbide hacksaw blades in through the sparkplug base, assemble the hacksaw and carefully start cutting so not to destroy the threads in the head. A real pain of a job, but it finally worked.
 
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