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high co

  1. smog woes (high CO)

    Spider - 105 & 115 Series (1966-1994)
    Hi folks I'm hoping to get some advice from the experts out here. My spider 1980 is in a high-CO situation that's resisting my best efforts so far... Three tests three fails. 1ST TEST: 15mph 1799 RPM 5.41% / 1.38% CO MEASURED / MAX 188ppm / 218ppm HC MEASURED / MAX 132ppm / 1379ppm NO...
  2. 1979 Spider Smog Fail - High CO

    Spider - 105 & 115 Series (1966-1994)
    So here is the California smog report for my 1979 Alfa Romeo Spider (~190,000 miles) Test / RPM 1) 15mph / 2027 2) 25mph / 2308 CO2 / O2 1) 12.39 / 1.01 2) 14.07 / 0.71 HC (ppm) Max / Ave / Meas 1) 222 / 47 / 87 2) 190 / 37 / 37 CO (%) Max /...
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