What type of spark plugs do I need for a 1974 Stuery Boat with a 55 hp Crystler?
R rubypacheco Recruit Joined Nov 18, 2012 Messages 1 Nov 18, 2012 #1 What type of spark plugs do I need for a 1974 Stuery Boat with a 55 hp Crystler?
MH Hawker Vice Admiral Joined Jul 13, 2011 Messages 5,516 Nov 18, 2012 #2 Re: 1974 Spark Plugs What ones dose it have in it.
A Another retired guy Ensign Joined Jun 17, 2012 Messages 940 Nov 18, 2012 #3 Re: 1974 Spark Plugs Check this link to an old thread - it may help http://forums.iboats.com/force-chrysler-outboards/chrysler-55hp-spark-plug-148898.html
Re: 1974 Spark Plugs Check this link to an old thread - it may help http://forums.iboats.com/force-chrysler-outboards/chrysler-55hp-spark-plug-148898.html
jestor68 Commander Joined Jun 12, 2012 Messages 2,308 Nov 18, 2012 #4 Re: 1974 Spark Plugs Well, according to the Champion spark plug chart, the 50 hp and below use a QL86c/L86c. The 55 hp and above are listed as using the QL82c/L82c. The plug gap is listed as .040.
Re: 1974 Spark Plugs Well, according to the Champion spark plug chart, the 50 hp and below use a QL86c/L86c. The 55 hp and above are listed as using the QL82c/L82c. The plug gap is listed as .040.
