HC levels for Emissions, uh oh Options

[Tigawoods]

well i failed my emissions test
the HC level had surpassed the legal limit
725is the limit and i ran 925

there are a number of things it could be but i beleive the main thing could be the SAFCII
which changed the air/fuel ratio
any idea's or opinions?

[lagos]

You have a header that replaced your primary cat.
You will always have a problem with emissions because you're running too tich all the time.

What sort of "tuning" have you done with the safc ?
Do you have a wideband ?
Changed your 02 sensor lately ?

He has a "guess tune" that I did for him based on Mannys old dynos. Basically slowly taking out up to 10% through the rpm range.
I will help him do it right if he ever visits a dyno.

The header is the cause for the emissions problem. You Need to install the stock one, or get another cat.
You could also try to take out some fuel from the low throttle map in the 1-3k rpm range (just for the test) to see if that helps bring the numbers down.

This post has been edited by lagos: Jul 3, 2008 - 11:21 PM