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  1. Failed Smog - High NOx

    Spider - 105 & 115 Series (1966-1994)
    Hi all, I recently purchased a 78 Spider that did not pass smog (California). It looks like the previous owner tried getting it tuned but it still failed. The results were: My car @15mph: 8.8% CO_2, 5.3% O_2, 246 HC, 4.72% CO, 427 NO. Max to pass @15mph: 222 HC, 1.41 CO, 1396 NO. My car @25mph...
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