Thread: why am i knocking?

Originally Posted by blowfishRus6

two diffrent people man haha

lol, yep...that's a new one!

Originally Posted by David F

I just opened the box and put them in my car! The counter person at Advanced said they were pre-gapped!

I doubt regular copper Champion plugs come pre-gapped. That is probably your issue. Get a gapping tool and set the gap yourself on each plug.