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1,128 Posts
Put in some autolite platinum's today they didnt have anything else so I just said f it, not really worried about it, thell still produce spark, anyway the pics suck so i wont even post them but some plugs were dirty, like sand and little piece of rock on it when i pulled it out, the threaded part, some plugs were clean, some dirty, one was real bad, to me dirt shouldnt be on that part of the plug cuz even if dirt got past the rubber and down to the top part of the plug there's no way it should get past the threads. normal? yes i change oil and filter regularly.