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Frayadjacent, I myself have went to many Shell stations and would wonder if they were only putting their proprietary additives in their premium...
Alfon, I can understand your stand on this matter, but did you ever consider that not every batch of gas is the same and that some companies take...
Yea add E3 plugs to that list. Wish I would have never bothered, because as mentioned on other posts the plugs installed were chosen in relation...
Don't bother, stick to stock or comparable iridium. Was worried about my plugs getting seized so at 39,000 had them swapped. Don't know if they...
