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**Wrenchbender Ret** · 12-03-2009, 04:55 PM

Anything but Champions. I use AC R44ts or R45ts if it uses the tappered seats. About 71 up. On the flat seat with gasket I use R44s or R45s.

12-03-2009, 04:55 PM	#3
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,190	Re: What brand of spark plug? Anything but Champions. I use AC R44ts or R45ts if it uses the tappered seats. About 71 up. On the flat seat with gasket I use R44s or R45s.