PaulProe TREASURER & Web Administrator, Member # 019 GCC Member Location (City) Manchester First Name Paul Last Name Proefrock Oct 4, 2020 #1 Tim's latest adventure in sparkplugs led me to this article. Mind you, you need to cut the plug apart to get a good reading on the color of the porcelain, the color on the end only indicates the condition when you last shut the engine off.
Tim's latest adventure in sparkplugs led me to this article. Mind you, you need to cut the plug apart to get a good reading on the color of the porcelain, the color on the end only indicates the condition when you last shut the engine off.
