I just changed my plugs this weekend and discovered the firewall GAPS at ~ 0.63 and the Front Gaps at ~.70

The threads mention this but did not find answer in SEARCH

Any Gurus with insight ?

Will my MPG improve ? Been at ~23 lately

THANKS







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1999 GREEN Contour SE SPORT Duratec V6, ATX, SUNROOF, 93,000 Miles, P0420 ON&OFF -replaced DS O2 --did not FIX *New TORQUE CONVERTER @ 53,000-Intermittent P1744 *New DASH at 53,000 and New DASH lifted-now using MOLLEY bolts to pull down