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Old 03-30-2009, 15:38   #1 (permalink)
I love 67-72 ford trucks
 
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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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Old 04-01-2009, 11:39   #2 (permalink)
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Re: 72 ford 360 motor spark plug issues

Heat !
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Old 04-02-2009, 11:02   #3 (permalink)
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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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Old 04-02-2009, 15:21   #4 (permalink)
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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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