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What does everyone recomend for plugs? I've heard of people having good luck with the zd-11's but wanted to know of anything besides motorcraft(or a cheaper place than FORD)
The reason for changing is it has been running rough in the colder mornings. It starts up Ok but runs like it has a miss or two(engine surging all over) with white smoke. As soon as it warms up it runs fine so I thought I had a bad plug or two. VC pins look fine.