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Old 11-30-2020, 05:54 PM   #3
Wrenchbender Ret
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Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,190
Re: spark plugs for 1958 inline six

The extended tip plugs work much better, like AC 46S or 44s. Its OK to use resister plugs like R46S etc.
George
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