spark, plug, affect, cars, words, backfire, friends, told, preformance, thinking, question, copper, plugs.028, wondering
- hey i was thinking about the spark plug gap i use on my ngk copper plugs(.028) and i was wondering what exactly does less of a gap do or more of a gap do... in other words what affect does the gap have on the cars preformance... one of my friends told me the gap can affect if you get backfire...