Sep 21, 2011 · My favorite local hardware store is going out of business. They have piles of Champion CJ6, RCJ6, & RCJ6Y, and some Arnold brand equivalent spark plugs marked way, way down in their lawn and garden clearance section. I generally use tried and true Champion J6C spark plugs in my menagerie of...

Aug 31, 2011 · Re: spark plugs.....cj 6's, vs cj 8"s J8C is too hot for that engine. That is a lawnmower and antique chainsaw plug.

Jun 27, 2010 · Re: Champion J6J equivalent; 1956 Fastwin 15HP Originally Champion J6J or Autolite A3X were specified. J6C , gapped at 0.030", are the currently recommended plugs and the modern equivalent of J6J ... copper cored and all that stuff