When purchasing spark plugs for my i/o 305 v8 should i get marine grade plugs or just regular?
M MoxieMainer Cadet Joined Jun 3, 2002 Messages 7 Jun 20, 2002 #1 When purchasing spark plugs for my i/o 305 v8 should i get marine grade plugs or just regular?
S steelespike Supreme Mariner Joined Apr 26, 2002 Messages 19,069 Jun 20, 2002 #2 Re: Marine grade spark plugs?? Regular as prescribed in plug catalog.
