could anyone tell me the plug gapon a 1963 40 hp johnson thanks in advance
A Anthony Duggan Cadet Joined Nov 1, 2006 Messages 21 Jul 4, 2007 #1 could anyone tell me the plug gapon a 1963 40 hp johnson thanks in advance
O ob Admiral Joined Aug 16, 2002 Messages 6,992 Jul 4, 2007 #2 Re: plug gap Champion J4C gapped at .030" or if you do lots of slow speed trolling .040".
