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Mart · 11-05-2019, 05:28 PM

I run Autolite 216s in my Offenhauser 8BA type heads. I chamfered a few threads off the bottom to unshroud the plugs. I guess I did it wrong. But I haven't encountered a problem thus far and it does run really well.

11-05-2019, 05:28 PM	#39
Mart Senior Member Join Date: May 2010 Location: Solihull, England. Posts: 8,741	Re: Spark Plug Protrusion into Head? I run Autolite 216s in my Offenhauser 8BA type heads. I chamfered a few threads off the bottom to unshroud the plugs. I guess I did it wrong. But I haven't encountered a problem thus far and it does run really well.