mrp225 Member Joined Jan 14, 2011 Messages 12 Reaction score 0 Location California Jan 14, 2011 #1 I would like to confirm what I have read previously. Can I or should I use the NGK ZFR5N spark plugs in my slant 6 - 225, for 1970 Plymouth Duster? Thanks for the help.
I would like to confirm what I have read previously. Can I or should I use the NGK ZFR5N spark plugs in my slant 6 - 225, for 1970 Plymouth Duster? Thanks for the help.
E ESP47 Well-Known Member Joined Jul 3, 2009 Messages 2,521 Reaction score 1,475 Location Sacramento, CA Jan 14, 2011 #2 Yes and take the metal rings off them before installing.
mrp225 Member Joined Jan 14, 2011 Messages 12 Reaction score 0 Location California Jan 14, 2011 #3 Great. Thanks for the help.
