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Unread 05-17-2013, 07:04 PM   #1
draperjojo
Registered User
1984 CJ7 
 
Join Date: Nov 2007
Location: Salt Lake, Utah
Posts: 218
What are your emissions numbers?

I put the Howell injection on my 84 258 last June and just had the emissions tested today. The engine has 107,000 miles.

Idle 719RPM CO2 14.9%, O2 .05%, HC PPM 130, CO .127%
2500RPM CO2 14.73%, O2 .26%, HC PPM 47, CO .222%

I'm stoked, no emissions issues with a 29 year old jeep.

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Unread 05-17-2013, 08:00 PM   #2
sanddrag
Registered User
1984 CJ7 
 
Join Date: Nov 2007
Location: CA
Posts: 499
1984 with the 151,540 miles, Carter BBD with stepper mixture control (CEC system), new catalytic converter, Team Rush, California smog test:

15 mph, 1359 RPM, % CO2 13.6, % O2 1.9, HC (PPM) 13, % CO .01, NO (PPM) 333
25 mph, 2095 PM, % CO2 15, % O2 0.0, HC (PPM) 3, % CO .01, NO (PPM) 21
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