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Old 08-19-2020, 05:53 PM   #4
tubman
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Location: Minnesota, Florida Keys
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Default Re: AutoLite 216's in Offy heads

Quote:
Originally Posted by 19Fordy View Post
I am no expert but, I think having plugs where the firing tip is inside the threaded recess results in fouling. Try a plug with a longer reach. Make sure plug doesn't hit the piston.
The plugs won't hit the piston, but they will hit the exhaust valve with equally unfortunate results.
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