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> Spark Plug Fired From The Hole
914Bryan
post Dec 26 2011, 05:18 PM
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OK, not directly a 914 problem; Thankfully, my 914 is running fine. (IMG:style_emoticons/default/biggrin.gif)

Can't say the same for my 2005 F150 that decided to fire a spark plug from the #3 cylinder hole. (IMG:style_emoticons/default/mad.gif) Heard a ticking sound that progressively became louder then, kaaPow!. Fired that sucker right out of the threads. Broke the coil and split the spark plug. WOW.

I would like to say that this was unique, but the same thing happened to another cylinder about a year ago. Helicoil solved it. This is getting stupid. Anyone else have this type of problem? Wonder if Ford had a recall regarding this. Only 85K on the engine...Fix and sell? (IMG:style_emoticons/default/smash.gif) Found On Road Dead? (IMG:style_emoticons/default/screwy.gif)
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jimkelly
post Dec 27 2011, 01:54 PM
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steel plugs in aluminum heads = problem waiting to happen.

i guess if plugs are replaced often enough & anti seize is used - problem could be avoided?

i like cast iron and steel : )

seems many newer high mileage cars are gonna have a cert in them. my suby has one, my festiva had one. they should cert them from the factory.
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stewteral
post Dec 27 2011, 03:14 PM
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QUOTE(jimkelly @ Dec 27 2011, 11:54 AM) *

steel plugs in aluminum heads = problem waiting to happen.

i guess if plugs are replaced often enough & anti seize is used - problem could be avoided?

i like cast iron and steel : )

seems many newer high mileage cars are gonna have a cert in them. my suby has one, my festiva had one. they should cert them from the factory.


Hey Jim,

It's a great advice using anti-sieze on plugs. I'm sure you meant
COPPER ANTI-SEIZE (made for this purpose) as the usual silver stuff will INSULATE the plug from transferring heat to the head, overheat it and cause detonation.

Best,
Terry
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