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Author Topic: Colorado Emissions  (Read 2892 times)

Offline Chadwick717

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Colorado Emissions
« on: September 19, 2014, 10:53:35 am »
Just moved to Colorado and from New Jersey and I am having a hard time passing emissions. Truck has new cats and I got it tuned up I thought.  But I'm coming out high on CO %. Any Coloradans got any tips for me?  Thanks for the help.
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Offline Chadwick717

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Re: Colorado Emissions
« Reply #1 on: September 19, 2014, 10:54:01 am »
Oh it's a 79 k10 with a 350.
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Offline zieg85

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    • 73-87 GM squarebody extended cab and conversions up to 91 R/V series
Re: Colorado Emissions
« Reply #2 on: September 19, 2014, 11:04:41 am »
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Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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Offline Chadwick717

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Re: Colorado Emissions
« Reply #3 on: September 19, 2014, 06:00:52 pm »
Thanks! Missed that somehow in my search.
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Offline VileZambonie

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Re: Colorado Emissions
« Reply #4 on: September 19, 2014, 06:23:09 pm »
Sounds like it's running rich. What are your other readings?
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Offline Chadwick717

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Re: Colorado Emissions
« Reply #5 on: September 21, 2014, 07:09:04 pm »
It was running rich. I have and edelbrock carb, not sure which one exactly. I leaned it out using the two screws on the front and drove it right back through and passed.   It runs well still, but now it doesn't start very easily. 
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Offline roundhouse

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Re: Colorado Emissions
« Reply #6 on: September 21, 2014, 10:56:35 pm »
Turn the screws back

You're good for another year
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