Has anyone actually tried the Autolite 5224 plugs yet? I remember Bob
having a reply on these several weeks ago. Supposedly, the center electrode
was designed larger for a heavier truck. I purchased a set of these today.
After comparing them to either the stock Champions, or the Champion Truck
Plugs, they are very close to 1/8" longer. This additional length is all in
the electrode area. I want to make sure there is sufficient clearance
before installing them. I don't really need new pistons just yet.
Rich - Ashburn, VA
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