72 ford 360 motor spark plug issues - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 4 (permalink) Old 03-30-09, 03:38 PM Thread Starter
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72 ford 360 motor spark plug issues

I was wondering why my spark plugs keep seizing up in the holes like they been torqued too tight. I have to use anti seize lub on the threads so loosen easier. I was wondering what causes this?

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post #2 of 4 (permalink) Old 04-01-09, 11:39 AM
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Re: 72 ford 360 motor spark plug issues

Heat !
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post #3 of 4 (permalink) Old 04-02-09, 11:02 AM
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Re: 72 ford 360 motor spark plug issues

Yes heat, and torqued too tight. You probably changed the plugs with a hot engine.
Then you try to take the plugs out again with a cold engine. The head has shrunk
around the theads seizing the plugs. that engine uses 18 M.M. plugs and torqued to 12 lbs. cold.
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post #4 of 4 (permalink) Old 04-02-09, 03:21 PM Thread Starter
I love 67-72 ford trucks
 
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Re: 72 ford 360 motor spark plug issues

this happens when engine is cold. i never change my plugs when the engine hot.
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