Topic: 1934 V8 spark plugs


gmcbuffalo    -- 07-02-2022 @ 2:21 PM
  So after reading several threads I ordered Autolite 216. Too small a thread size. The plugs I have in it are champion f10C . They have no washers so I’m trying to get new plugs. Having a hard time finding what to buy.
What are the option for these plugs.?
The idea of sizing by Millimeters is strange . why would Henry do that?


Greg Meiling
1935 3 Window Coupe


carcrazy    -- 07-02-2022 @ 3:19 PM
  If you are buying spark plugs for a 1934 Ford V-8 21-stud engine, you need spark plugs for the 18mm threaded holes. Dennis Carpenter has the correct Part Number 40-12405-C spark plugs in stock for your application. They are listed as being for 1934-37 Ford V-8, 21-stud Engines 18mm #7 for $3.95 each.


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