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Re: Spark Plug demolished

To: Jonathan Amo <webmaster@amoproductions.com>
Subject: Re: Spark Plug demolished
From: "Thomas E. Bryant" <saltracer@awwwsome.com>
Date: Sat, 25 Mar 2000 08:21:58 -0800
My guess is that you will find the head of a valve imbedded in a piston.
I don't know of any way a piston could hit the head, hard enough to find
water, from overrevving, unless something broke. I'll be interested to
learn what you find when it comes apart.

Tom, Redding CA - #216 D/CC

Jonathan Amo wrote:
> 
> List,
> 
> Need some responses on the following submission,
> older chevy pickup 350 chevy. Motor was possible over-reved. After
> over-reving engine, truck ran like crap.Actuall revving number is not
> know.  plug #2 the electrode was bent forward contacting the insulator
> and porcelain was broke apart, coolant drained from cylinder. . Plug
> number #3 electrode was bent forward contacting insulator. Plug #8 was
> wet coolant fouled. The rest of the plugs were just basically a light
> carbon fouling. Knows factors head gasket, possible head and or block
> cracked.
> Now you engine guru's would over revving engine cause piston to hit
> plug? I haven't personally seen this. What other causes would you think
> of plug being hit. There is a possibility that engine has been
> overhauled before.
> Pictures of these plugs is at the following address
> http://www.amoproductions.com/plugs.html
> 
> take a look and let know what you think.
> 
> Jonathan
> http://www.amoproductions.com/268

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