Smog Results Comparison (1 Viewer)

[MH_Stevens]

Today I smoged the TLC (87 with 111k miles) for the first time. I thought it might be of interest for me to publish the results hoping others will do the same for comparison.

RPM..............%CO2........%O2...............HC................CO
648.................15.0...........0.0...............16................0.01
2500...............14.9...........0.1...............12................0.08

Mike S

 

[e9999]

good thread idea!

here is my 97 at 78K after a tune up of sorts (new plugs, new rotor and cap, intake and TB cleaned by direct spraying and later Seafoaming, cleaned newish air filter, new PCV, a couple of bottles of Techron light duty cleaner during fill-ups a few weeks before):

644 rpm: 14.9% CO2, 0.0% O2, 6ppm HC, 0.00% CO
2505 rpm: 14.8 CO2, 0.2% O2, 6 ppm HC, 0.00% CO

a bit lower than yours on HC and no CO!
is the HC level a strong function of cat performance?