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Discussion Starter #1
I have a set of Dart 360's and was wondering what plug is to be used. They apper to me to be a peanut plug, when i looked in the autolite book. It does not call for any Dart bbc head to take a tapered seat plug. But i can clearly see on the heads its a tapered seat. What gives?? I see they make a .708 and a .460 reach tapered plug.. Just looking to see if anyone cam across this. THanks
 

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It depends on what Dart head. The old stuff [per Uncle Paul] runs the tapered seat. The newer ones run the Gasketed seat. [example - 3933] I have seen many Dart heads with the Wrong spark plugs being run.
 

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barndoorslammer
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Uncle Paul is right as always! I have the old Dart 360's as well, they do take a tapered seat plug.
I have the 5673-9's (on alcohol).
 

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Discussion Starter #6
Thanks alot guys, I figured they must be an older casting Dart. I usually run Autolites, I guess 133 will be the plug i use. Eventually 132 for the NOS.
 
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