Author Topic: Ticking sound on Number 8 spark plug ?  (Read 864 times)

Offline cdawg

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Ticking sound on Number 8 spark plug ?
« on: November 08, 2011 - 12:24:27 AM »

I started up my car this weekend. But I get a ticking sound on #8 plug when it's on idle under 1000 rpm and goes away if I idle above the 1000 rpm. I tried adjusting the timing but get the same thing. Any chance it could be grounding of the engine or a short.
BTW I have a stock  Electronic ignition.
Thanks




Offline Super Blue 72

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    • Phil's Super Blue '72
Re: Ticking sound on Number 8 spark plug ?
« Reply #1 on: November 08, 2011 - 12:29:41 AM »
Not that I would know but what about an exhaust manifold leak?  I heard some people mention it's like a ticking sound sometimes.  :clueless:
1972 Dodge Challenger Rallye 340, AT, Code TB3=Super Blue, SBD=8/17/1971.  Yes, a Rallye without the fender louvers from the factory because of the body side molding option.

Pic #2 and 3 of my ARII 1/24 scale model car 

Phil in New England-Massachusetts  Always thank God for what you have!

http://www.cardomain.com/ride/456046/1972-dodge-challenger

Offline cdawg

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Re: Ticking sound on Number 8 spark plug ?
« Reply #2 on: November 08, 2011 - 12:35:33 AM »
I have checked the manifold and also the flange and it doesnt leak. I also disconnected and the wire going to #8 and it goes away.  So I used a spare wire and still have the ticking noise at idle.  :clueless:

Offline 72cudamaan

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Re: Ticking sound on Number 8 spark plug ?
« Reply #3 on: November 08, 2011 - 08:21:00 AM »
cracked porcelain on the plug. Voltage is going
through the crack to the head and grounding.   :2cents:
If I cant fix it, it's broke
 
Andy  (phukker whither)