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  View original topic: SnapOn Tester HC, CO, CO2, O2 Lambda, AFR - Post yours
tclark Wed Apr 02, 2008 1:54 pm

So I booked some time to get an exhaust gas analyzer on 1.9 150psi 150K Motor, 350K on the body
So I am curious what are your reading ..
Anyone that has a full test set post in here to compare
HC=84PPM, CO=.47%, CO2=12.78%, O2=2.2%, AFR=15.9, LAMBDA=1.09
I asked for a slightly lean tune (AFR higher than 14.7, Lambda greater than 1.0) but not so lean as to toast a valve I hope
confession-I busted out the cat after it got plugged
Also if anybody knows what a 1.9 and 2.1 would run outta the box 25yrs ago post that 2 :)
And any of you SoCal types can you post what the state allows

captainpartytime Wed Apr 02, 2008 7:40 pm

This was from 2006
@15 MPH
Hydrocarbon (PPM) Max=122 Ave=34 Meas=18
CO (%) Max=0.72 Ave=0.11 Meas=0.10
NO (PPM) Max=1010 Ave=260 Meas=509

@25 MPH
Hydrocarbon (PPM) Max=102 Ave=23 Meas=8
CO (%) Max=0.91 Ave=0.10 Meas=0.10
NO (PPM) Max=870 Ave=217 Meas=408

Max=Maximum Allowed Emmisions
Ave=Average Emissions For Passing Vehicles
Meas=Amount Measured

tclark Sat Apr 05, 2008 10:12 am

tclark wrote:
So I am curious what are your reading ..
Anyone that has a full test set post in here to compare

So are we all just shy or does no one except capt party wanta share their toxins :) ?



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