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5.0 1988 lx smog

  1. 5.0L Tech
    OK, I have been reading from alot of people in here with different problems. I just failed smog. "Gross Polluter" ick. But oh well. Whats the best way to go about this repair? My HC Is high max is 121 but read 304 at 15mph and max is 96 but read 258 at 25mph. I made all the common mistakes. I...