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993 Failed

Old Sep 29, 2008 | 10:01 AM
  #16  
twinreds's Avatar
twinreds
Racer
15 Year Member
 
Joined: Aug 2008
Posts: 399
Likes: 7
From: Bloomfield Hills, MI
Default Is this common in 1995 C2's?

Seems even low mile-well kept ones fail (mine did too)
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Old Sep 29, 2008 | 03:44 PM
  #17  
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brucec59
Rennlist Member
 
Joined: Nov 2004
Posts: 1,796
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From: San Francisco
Default

Originally Posted by kurtman00
...is a sport cat the way to go?
Yes! Click here and get in on the group buy: https://rennlist.com/forums/993-forum/449092-dach-sport-cat-gb-official-registration-thread.html

FWIW, here are my numbers from the two times I have smogged the car (it passed both times). Stock cats. Done at different shops, so I don't know if a trend can be established, but it sure looks like it's getting worse. Good thing I'm getting the DACH Sport Cats!

Code:
Date		%CO2	%O2	HC (PPM)	CO (%)	NO (PPM)		HC=Hydrocarbons
MAX				85	0.50	695		CO=Carbon Monoxide
				50	0.47	717		NO=Nitrogen Oxides
							
1/6/2006		14.9	0	4	0.01	51		
		14.9	0	1	0.00	4		
							
12/27/2007	14.7	0.2	74	0.14	115		
		14.7	0.1	47	0.08	109
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Old Sep 29, 2008 | 11:54 PM
  #18  
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kurtman00
Track Day
 
Joined: Mar 2006
Posts: 24
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From: Suisse
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Thanks for the advice! Yes, I am considering the DACH. I also located an oem for the same price. Too bad the wait for the DACH is going to be a while since there are now a couple of builds in queue! Chris's product looks really good to me! No chipping yet, so I assume I had a meltdown of the cat for sure. Will find out soon .

mahalo,
Kurt
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