View Single Post
Old 07-26-2018, 04:27 PM   #4
DavidG
Senior Member
 
DavidG's Avatar
 
Join Date: May 2010
Posts: 7,081
Default Re: 1936 Spark Plugs

Sorry, I only use the 7s, but then I don't drive them much. Hopefully someone with the requisite experience will chime in.
DavidG is offline   Reply With Quote