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Old 05-19-2010, 11:48 AM   #1
Big Kevin
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Default Spark plug questions....

Hi there.
What is the basic criteria for spark plugs to work well with a stock Model A? Would any 14mm spark plug work? Just got me thinking about when I go to swap meets and see those big boxes full of neat old spark plugs from manufacturers long since forgotten. Would be neat to see some old green stripe ACs or blue tops on the old banger. So would any 14mm work?
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Old 05-19-2010, 09:05 PM   #2
glenn in camino
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Default Re: Spark plug questions....

I run Champion 3Xs in my stock Model As.
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Old 05-19-2010, 09:47 PM   #3
Bob A.
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Default Re: Spark plug questions....

Quote:
Originally Posted by Big Kevin View Post
Hi there.
What is the basic criteria for spark plugs to work well with a stock Model A? Would any 14mm spark plug work? Just got me thinking about when I go to swap meets and see those big boxes full of neat old spark plugs from manufacturers long since forgotten. Would be neat to see some old green stripe ACs or blue tops on the old banger. So would any 14mm work?
Hey Kevin, I'm sure you know your going to need a plug adapter to run 14 mm. I did see a substitute chart running around here somewhere that tells which are best.
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Old 05-19-2010, 09:53 PM   #4
Jim Parker Toronto
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Default Re: Spark plug questions....

On the old Fordbarn you could just go to the Tech Section, I think they were on Steve Plucks website. You need to check the heat range of the plug you want use. Some are hotter than others and may cause damage to your engine.
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Old 05-19-2010, 10:08 PM   #5
J Franklin
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Default Re: Spark plug questions....

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If you haven't run 3x plugs you won't have anything to compare for original running as Ford wanted.
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