Thread: Which Spark Plugs to use in a FE 406?
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Old 11-07-2002, 09:40 PM
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Had to jog my memory on this one--no books to look at. The 406 uses the same plug as the 427 and other FE engines. The original number is BF32 on Autolites, but as Al said, I don't know what that cross references to today.

The original Champion number would be F11Y. If you want to go a little colder, you can use the F9Y.

I run Autolite 45's in my 427.
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