CAP car 85 suba fed.1.8 carb. non-feed back base line @15 CO2 11.3% O2 4.2% HCs 171ppm. CO .67% NOX 1985ppm. @25 CO2 11.5% O2 3.9% HCs 148ppm. CO .79% NOX 1760ppm. Intrusive shows @15 CO2 10.2% O2 4.7% HCs 264ppm CO 2.04% NOX 2231ppm. @25 CO2 9.8% O2 4.8% CO 2... Login to read more.