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Proper Spark Plugs

This is a discussion on Proper Spark Plugs within the Early Birds [1955-1957] forums, part of the Thunderbird Model Years category; When I got my '55 " T" Bird, it had Motorcraft #BSF82C spark plugs. I got a '55 magazine add ...

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  #1 (permalink)   IP: 24.231.146.21
Old 04-29-2004, 08:51 PM
 
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Proper Spark Plugs

When I got my '55 " T" Bird, it had Motorcraft #BSF82C spark plugs. I got a '55 magazine add and it says that the "new Thunderbird is equipped with Champion "Turbo Action" plugs, but does not give a number. I am wondering what the original plug was, and if that is not available, is the Motorcraft mentioned above a good substitute?
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Old 04-30-2004, 12:29 AM
 
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Champion plugs were original equipment and they are specified as replacement items in the '57 shop manual. I think you may rest assured that any spark plug made today that is recommended for our engines would be far superior to anything made a half century ago.
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Old 06-11-2004, 06:45 PM
 
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Ive done a little research and found that a Champion plug #RF14YC is a little hotter than the Motorcraft BSF82C that were in my car when I got it. I have installed them, but havent driven the car yet (waiting for it to stop raining in Michigan). I dont know if this is the number plug that originally came in the car but I do know that Champions were.
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Old 06-11-2004, 10:12 PM
 
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The plug that is specified in the '57 shop manual is a Champion 870. With the way spark plug identification numbers have changed over the years, I don't know how we could ever come up with an identical configuration these days. The plug you have chosen is probably a reasonable starting point. After you start using the car, you can adjust to a hotter or colder plug to suit your type of driving. It doesn't seem likely you'd go to a colder plug when you consider how most 50 year old cars are used.

Tom D.
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  #5 (permalink)   IP: 69.250.234.186
Old 12-26-2006, 08:29 PM
 
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I run NGK WR5's (V-powers) in my 55. They are NGK's crossover of an eqivalent plug.

http://www.sparkplugs.com/
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