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Posted by Mark in nm [97.119.149.53] on Thursday, February 07, 2013 at 19:31:37 :
In Reply to: Im definitely far from any expert posted by John W. S. son of John S. [108.3.81.153] on Thursday, February 07, 2013 at 17:54:09 :
I recently went down to autozone and bought a set of ac deco plugs and put them in an 8 cylinder. The darn vehicle was really missing a lot worse then when I started the procedure. After checking everything I could I went to ford house and bought a mother set of plugs. Problem resolved. All I can think is autozone is buying Chinese spark plugs that say they are ac deco on them and selling them. If that is the case, they are probably doing this with other brands as well. In close to 40 years I can not ever remember buying a spark plug that did not work. In this case 3 were bad.
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