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Looking for Spark Plug Help
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12-08-2023, 11:59 AM
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RichardJ
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Join Date: Apr 2010
Location: So Cal
Posts: 1,413
Re: Looking for Spark Plug Help
R44T spark plugs have a tapered seat. If the heads on the 283 are still the original '64 heads, it would probably call for gasketed plugs such as R44.
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