Brianfrench65 Well-known member May 16, 2017 #1 So, I am so fortunate that my wife bought me my first set of 3X spark plugs. My question is, the copper washers are cupped. Does the cup face the plug, or the cylinder head. Another words u or n? Thank You; Attachments IMG_1274.jpg 76.6 KB · Views: 80
So, I am so fortunate that my wife bought me my first set of 3X spark plugs. My question is, the copper washers are cupped. Does the cup face the plug, or the cylinder head. Another words u or n? Thank You;
Brianfrench65 Well-known member May 16, 2017 #3 msmaron said: Cup is UP so they sit on the plug Click to expand... Awesome; Thank You
