Re: What Makes Spark plugs "eject"?
Let the record show that "Randy Zimmerman" <email@example.com> wrote back
on Sun, 14 Aug 2005 21:03:00 GMT in alt.trucks.ford :
>"pyotr filipivich" <firstname.lastname@example.org> wrote in message
>> Greetings and Salutations
>> So the other night (morning), I'm driving home, on the interstate, when
>> "Bang!" right in the middle of a lovely tuba solo, the spark plug ejects
>> itself from the spark plug port. Well, actually, it wasn't till later
>> I determined that this, in deed, what had occurred. It just launched the
>> ceramic portion of the plug - not very far, but out of the rest of the
>> - and left me with a badly missing engine. Well, the engine was still
>> there, but 1/4 the cylinders weren't participating in the process of
>> delivering power to the drive train. Pollutants to the environment, but
>> power. I drove it back to work, and slept at a bud's place (I figure it
>> easier to walk 1.5 miles to work, than 65.2. Faster too.), and took it in
>> for a Professional Opinion. (Which was, "Yep, need to replace the
>> sparkplug. That will be a hundred dollars. You need to get the engine
>> tuned too, and your rear tires are starting to get wore down.")
>> Okay, so the sparkplug failed to hold together under operating
>> conditions, does any one have any explanation why this plug might have
>> "gone west" (so to speak) in this fashion?
>> Oh yes, I'm driving a 1990 Ranger, 2.3 liter EFI, and I "just" had the
>> plugs replaced during a tune up a year ago.
>I never have seen one ejected however I have experienced a Bosch and a
>Champion that had cores loose and leaking gases.
>It does happen but I don't think it should. I am wondering if it might be
>worth complaining to the manufacturer of the plug.
>You might at least score a new set.
It's been a year, so ... as we used to say at the Shop
"Guaranteed to not rip, rot, rust, bust, or throw dust; mildew, mold,
chip, fade, peel, or crack. Good for thirty feet or thirty seconds,
provided the customer does not touch the car."
It ran, it runs, it goes.
TV NEWS: Yesterday's newspaper read to the illiterate.