Thread: Spark plugs
View Single Post
Old 12-02-2015, 04:21 PM   #8
bluardun
Senior Member
 
bluardun's Avatar
 
Join Date: May 2010
Location: Tucson, Az.
Posts: 322
Default Re: Spark plugs

Thanks for the input. One of the reasons I'm interested in information and experiences is because the H-10 plugs were engineered for the needs of a Flathead and the "GASOLINE" we use to have. With todays "formulated fuel" I don't think the H-10 is totally efficient.
Thanks
bluardun is offline   Reply With Quote