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carbon monoxide

  1. High CO smog on 1979 spider

    Carburetors, Fuel Injection & Air Intake
    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 / Ave / Meas 1) 1.41 / 0.20 / 2.63 2) 1.21 / 0.17 /...
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