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How many miles did you get on that set?
The gap don't look real bad, but you are burning some oil. I did a Chevy cavalier once that was supposed to be gapped at .35 and had a gap of .65 they were shot LOL
Ya the Cav had over 100K on stock set of plugs, ran fine only complaint was MPG wasn't "as good as it used to be". So I gave it a tune up and figured out why when I pulled the plugs and the air filter that was black from lack of changing why it only got 18 MPG LOL