Ok I have a 93 Teg. I went to do the SMOG in CALI, cus i live here, bear with me the only thing I have b18a1 stock w/ only DC 4-1 headers and greddy exhaust system the timing is 18 btdc and i fail the emission test on the 15 mph test but the 25 I pass with flying colors!!!! wtf what gives can some1 help me !!!

RPM CO2 O2 HC(PPM) CO
15mph/1893 14.2 .5 MAX/89 GP/277 MEAS/114 Max/.5 GP/2.03 MEAS/.81
NO
Max/708 GP/1944 MEAS/2199
(GROSS POLLUTER)

RPM CO2 O2 HC(PPM) CO
25mph/2121 14.7 .1 MAX/54 GP/277 MEAS/54 Max/.51 GP/2.01 MEAS/.44
NO
Max/746 GP/1744 MEAS/1744
(PASS)



HELP ME PLEASE ANY IDEAS ??????