So i needed to register my D1 soon and needed a smag check. I was a little worried because I have hollowed out catalytic converters, and less than legal headers. But worst come to worst I was counting on bribery. Anyway the test results came back pretty good. No tracable CO or CO2 in the exhaust. On Hydro Carbons I scored 5 PPM @ idle and 9 PPM @ 2500RPM, the max allowable is 100PPM @ Idle and 180 PPM @ 2500 RPM.
My question is this, are those normal numbers or is my Disco running super clean? It has 101,000 miles if that matters at all.
My question is this, are those normal numbers or is my Disco running super clean? It has 101,000 miles if that matters at all.