Finally smog legal in Colorado -
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Go Back > Models > Jeep CJ Forum > Finally smog legal in Colorado

6th annual beat your wife to the credit cards sale!!FS: Jeep Fog Light LED Bulbs! Several Brightness Options! Black Friday and Cyber Monday Sales at

Unread 08-10-2013, 08:46 AM   #1
Registered User
1978 CJ5 
Join Date: Aug 2009
Location: Loveland, Colorado
Posts: 338
Finally smog legal in Colorado

It took a while with no trips to a shop, not that you can find any that really know a carbed motor. We passed the two stage snif and visual. What a production.

78 CJ-5 304

Smog pump, junk yard find
Diverter valve, junk yard find
Back flow valves, rock auto got them with the waggie tubes
Edlebrock headers with waggie 360 injection tubes custom welded, this was the fun one.
PCV, no brainer
Charcoal canister, optional but makes it less smelly, junk yard find
Various hoses, walk the back isles at Napa
Two into one cat, some 49 state high flow job
New gas cap

After a few go around agains, was able to make final tweaks with just idle mixture adjustments. You get one free retest when you fail, I got to pay my 15 twice.

78 304-CJ5
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